Q: What is the sum of all factors of the number 123,456,721 excluding 123,456,721?
A: 26,223
The factors of the number 123,456,721 are: 1, 6151, 20071, 123456721.
If you add them up, you will get the total of 123,456,747. Now subtract 123,456,721 to get 26,223