Q: What is the sum of all factors of the number 17,139 excluding 17,139?
A: 6,621
The factors of the number 17,139 are: 1, 3, 29, 87, 197, 591, 5713, 17139.
If you add them up, you will get the total of 17,145. Now subtract 17,139 to get 6,621