Air conditioner outdoor unit and air conditioner

An air conditioner outdoor unit comprising:

• a cabinet comprising an air inlet and an air outlet, an airflow path being formed between the air inlet and the air outlet;
• a refrigerant circulation device, arranged inside the cabinet and comprising a component part located in the airflow path;
• and
• a fan, provided inside the cabinet and arranged opposite to the air outlet;
• wherein:
• in a direction of a rotational axis of the fan, the component part has a projection region on the fan;
• the fan comprises at least one fan blade;
• and
• an installation angle of the at least one fan blade at an elementary stage within the projection region is a first installation angle, an installation angle of the at least one fan blade at an elementary stage outside the projection region is a second installation angle, and the first installation angle is larger than the second installation angle.