21925293

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{3449}}^1$

素因数の和:3628

約数の個数: 16

約数和(自身を含む): 31684800

約数和(自身を除く): 9759507

約数列:

[1, 3, 13, 39, 163, 489, 2119, 3449, 6357, 10347, 44837, 134511, 562187, 1686561, 7308431, 21925293]

約数ペア:

[(1, 21925293), (3, 7308431), (13, 1686561), (39, 562187), (163, 134511), (489, 44837), (2119, 10347), (3449, 6357)]