Q: What is the sum of all factors of the number 86,009 excluding 86,009?
A: 21,319
The factors of the number 86,009 are: 1, 7, 11, 77, 1117, 7819, 12287, 86009.
If you add them up, you will get the total of 86,030. Now subtract 86,009 to get 21,319