21112468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3593}}^1$

素因数の和:3723

約数の個数: 24

約数和(自身を含む): 40152168

約数和(自身を除く): 19039700

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 3593, 5876, 7186, 14372, 46709, 93418, 186836, 406009, 812018, 1624036, 5278117, 10556234, 21112468]

約数ペア:

[(1, 21112468), (2, 10556234), (4, 5278117), (13, 1624036), (26, 812018), (52, 406009), (113, 186836), (226, 93418), (452, 46709), (1469, 14372), (2938, 7186), (3593, 5876)]