Q: What is the sum of all factors of the number 21,604 excluding 21,604?
A: 19,724
The factors of the number 21,604 are: 1, 2, 4, 11, 22, 44, 491, 982, 1964, 5401, 10802, 21604.
If you add them up, you will get the total of 21,623. Now subtract 21,604 to get 19,724