21751813122

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{278869399}}^1$

素因数の和:278869417

約数の個数: 16

約数和(自身を含む): 46850059200

約数和(自身を除く): 25098246078

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 278869399, 557738798, 836608197, 1673216394, 3625302187, 7250604374, 10875906561, 21751813122]

約数ペア:

[(1, 21751813122), (2, 10875906561), (3, 7250604374), (6, 3625302187), (13, 1673216394), (26, 836608197), (39, 557738798), (78, 278869399)]