Q: What is the sum of all factors of the number 21,679 excluding 21,679?
A: 4,561
The factors of the number 21,679 are: 1, 7, 19, 133, 163, 1141, 3097, 21679.
If you add them up, you will get the total of 21,683. Now subtract 21,679 to get 4,561