Q: What is the sum of all factors of the number 21,939 excluding 21,939?
A: 8,013
The factors of the number 21,939 are: 1, 3, 71, 103, 213, 309, 7313, 21939.
If you add them up, you will get the total of 21,947. Now subtract 21,939 to get 8,013