Q: What is the sum of all factors of the number 43,979 excluding 43,979?
A: 6,421
The factors of the number 43,979 are: 1, 13, 17, 199, 221, 2587, 3383, 43979.
If you add them up, you will get the total of 43,985. Now subtract 43,979 to get 6,421