Q: What is the sum of all factors of the number 421,131,543 excluding 421,131,543?
A: 220,592,745
The factors of the number 421,131,543 are: 1, 3, 7, 21, 20053883, 60161649, 140377181, 421131543.
If you add them up, you will get the total of 421,131,763. Now subtract 421,131,543 to get 220,592,745