Q: What is the sum of all factors of the number 41,978 excluding 41,978?
A: 21,862
The factors of the number 41,978 are: 1, 2, 139, 151, 278, 302, 20989, 41978.
If you add them up, you will get the total of 41,999. Now subtract 41,978 to get 21,862