Q: What is the sum of all factors of the number 19,721 excluding 19,721?
A: 2,623
The factors of the number 19,721 are: 1, 13, 37, 41, 481, 533, 1517, 19721.
If you add them up, you will get the total of 19,723. Now subtract 19,721 to get 2,623