Q: What is the sum of all factors of the number 421,638 excluding 421,638?
A: 542,202
The factors of the number 421,638 are: 1, 2, 3, 6, 7, 14, 21, 42, 10039, 20078, 30117, 60234, 70273, 140546, 210819, 421638.
If you add them up, you will get the total of 422,180. Now subtract 421,638 to get 542,202