21073670181

素因数分解:

$3^3\times {\mathrm{2129}}^1\times {\mathrm{366607}}^1$

素因数の和:368745

約数の個数: 16

約数和(自身を含む): 31235001600

約数和(自身を除く): 10161331419

約数列:

[1, 3, 9, 27, 2129, 6387, 19161, 57483, 366607, 1099821, 3299463, 9898389, 780506303, 2341518909, 7024556727, 21073670181]

約数ペア:

[(1, 21073670181), (3, 7024556727), (9, 2341518909), (27, 780506303), (2129, 9898389), (6387, 3299463), (19161, 1099821), (57483, 366607)]