21912621

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1747}}^1$

素因数の和:1900

約数の個数: 16

約数和(自身を含む): 30289344

約数和(自身を除く): 8376723

約数列:

[1, 3, 37, 111, 113, 339, 1747, 4181, 5241, 12543, 64639, 193917, 197411, 592233, 7304207, 21912621]

約数ペア:

[(1, 21912621), (3, 7304207), (37, 592233), (111, 197411), (113, 193917), (339, 64639), (1747, 12543), (4181, 5241)]