Q: What is the sum of all factors of the number 21,019,628 excluding 21,019,628?

 A: 21,770,728

Why is 21,770,728 the sum of all factors of 21,019,628, excluding 21,019,628?

The factors of the number 21,019,628 are: 1, 2, 4, 7, 14, 28, 49, 98, 196, 107243, 214486, 428972, 750701, 1501402, 3002804, 5254907, 10509814, 21019628.

If you add them up, you will get the total of 21,019,649. Now subtract 21,019,628 to get 21,770,728


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