21673818

素因数分解:

$2^1\times 3^4\times {\mathrm{337}}^1\times {\mathrm{397}}^1$

素因数の和:748

約数の個数: 40

約数和(自身を含む): 48832212

約数和(自身を除く): 27158394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 337, 397, 674, 794, 1011, 1191, 2022, 2382, 3033, 3573, 6066, 7146, 9099, 10719, 18198, 21438, 27297, 32157, 54594, 64314, 133789, 267578, 401367, 802734, 1204101, 2408202, 3612303, 7224606, 10836909, 21673818]

約数ペア:

[(1, 21673818), (2, 10836909), (3, 7224606), (6, 3612303), (9, 2408202), (18, 1204101), (27, 802734), (54, 401367), (81, 267578), (162, 133789), (337, 64314), (397, 54594), (674, 32157), (794, 27297), (1011, 21438), (1191, 18198), (2022, 10719), (2382, 9099), (3033, 7146), (3573, 6066)]