21418173

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3119}}^1$

素因数の和:3241

約数の個数: 24

約数和(自身を含む): 35692800

約数和(自身を除く): 14274627

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 3119, 6867, 9357, 21833, 28071, 65499, 196497, 339971, 1019913, 2379797, 3059739, 7139391, 21418173]

約数ペア:

[(1, 21418173), (3, 7139391), (7, 3059739), (9, 2379797), (21, 1019913), (63, 339971), (109, 196497), (327, 65499), (763, 28071), (981, 21833), (2289, 9357), (3119, 6867)]