Q: What is the sum of all factors of the number 8,379 excluding 8,379?
A: 6,441
The factors of the number 8,379 are: 1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379.
If you add them up, you will get the total of 8,385. Now subtract 8,379 to get 6,441