Q: What is the sum of all factors of the number 26,978 excluding 26,978?
A: 21,406
The factors of the number 26,978 are: 1, 2, 7, 14, 41, 47, 82, 94, 287, 329, 574, 658, 1927, 3854, 13489, 26978.
If you add them up, you will get the total of 26,999. Now subtract 26,978 to get 21,406