21630714

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{2137}}^1$

素因数の和:2390

約数の個数: 32

約数和(自身を含む): 49670016

約数和(自身を除く): 28039302

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 241, 482, 723, 1446, 1687, 2137, 3374, 4274, 5061, 6411, 10122, 12822, 14959, 29918, 44877, 89754, 515017, 1030034, 1545051, 3090102, 3605119, 7210238, 10815357, 21630714]

約数ペア:

[(1, 21630714), (2, 10815357), (3, 7210238), (6, 3605119), (7, 3090102), (14, 1545051), (21, 1030034), (42, 515017), (241, 89754), (482, 44877), (723, 29918), (1446, 14959), (1687, 12822), (2137, 10122), (3374, 6411), (4274, 5061)]