Q: What is the sum of all factors of the number 26,979 excluding 26,979?
A: 12,837
The factors of the number 26,979 are: 1, 3, 17, 23, 51, 69, 391, 529, 1173, 1587, 8993, 26979.
If you add them up, you will get the total of 26,991. Now subtract 26,979 to get 12,837