Q: What is the sum of all factors of the number 421,131,543 excluding 421,131,543?

 A: 220,592,745

Why is 220,592,745 the sum of all factors of 421,131,543, excluding 421,131,543?

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


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