Q: What is the sum of all factors of the number 21,261 excluding 21,261?
A: 8,659
The factors of the number 21,261 are: 1, 3, 19, 57, 373, 1119, 7087, 21261.
If you add them up, you will get the total of 21,269. Now subtract 21,261 to get 8,659