21385076

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{677}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 38442600

約数和(自身を除く): 17057524

約数列:

[1, 2, 4, 53, 106, 149, 212, 298, 596, 677, 1354, 2708, 7897, 15794, 31588, 35881, 71762, 100873, 143524, 201746, 403492, 5346269, 10692538, 21385076]

約数ペア:

[(1, 21385076), (2, 10692538), (4, 5346269), (53, 403492), (106, 201746), (149, 143524), (212, 100873), (298, 71762), (596, 35881), (677, 31588), (1354, 15794), (2708, 7897)]