21841612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2819}}^1$

素因数の和:2985

約数の個数: 24

約数和(自身を含む): 41454000

約数和(自身を除く): 19612388

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 2819, 3874, 5638, 7748, 11276, 36647, 73294, 146588, 420031, 840062, 1680124, 5460403, 10920806, 21841612]

約数ペア:

[(1, 21841612), (2, 10920806), (4, 5460403), (13, 1680124), (26, 840062), (52, 420031), (149, 146588), (298, 73294), (596, 36647), (1937, 11276), (2819, 7748), (3874, 5638)]