Q: What is the sum of all factors of the number 221,212,221 excluding 221,212,221?

 A: 80,760,003

Why is 80,760,003 the sum of all factors of 221,212,221, excluding 221,212,221?

The factors of the number 221,212,221 are: 1, 3, 47, 141, 457, 1371, 3433, 10299, 21479, 64437, 161351, 484053, 1568881, 4706643, 73737407, 221212221.

If you add them up, you will get the total of 221,212,301. Now subtract 221,212,221 to get 80,760,003


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