21237066

素因数分解:

$2^1\times 3^4\times {\mathrm{337}}^1\times {\mathrm{389}}^1$

素因数の和:740

約数の個数: 40

約数和(自身を含む): 47850660

約数和(自身を除く): 26613594

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 337, 389, 674, 778, 1011, 1167, 2022, 2334, 3033, 3501, 6066, 7002, 9099, 10503, 18198, 21006, 27297, 31509, 54594, 63018, 131093, 262186, 393279, 786558, 1179837, 2359674, 3539511, 7079022, 10618533, 21237066]

約数ペア:

[(1, 21237066), (2, 10618533), (3, 7079022), (6, 3539511), (9, 2359674), (18, 1179837), (27, 786558), (54, 393279), (81, 262186), (162, 131093), (337, 63018), (389, 54594), (674, 31509), (778, 27297), (1011, 21006), (1167, 18198), (2022, 10503), (2334, 9099), (3033, 7002), (3501, 6066)]