Q: What is the sum of all factors of the number 21,791 excluding 21,791?
A: 5,473
The factors of the number 21,791 are: 1, 7, 11, 77, 283, 1981, 3113, 21791.
If you add them up, you will get the total of 21,796. Now subtract 21,791 to get 5,473