Q: What is the sum of all factors of the number 21,471 excluding 21,471?
A: 8,913
The factors of the number 21,471 are: 1, 3, 17, 51, 421, 1263, 7157, 21471.
If you add them up, you will get the total of 21,479. Now subtract 21,471 to get 8,913