21243906

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{25111}}^1$

素因数の和:25166

約数の個数: 24

約数和(自身を含む): 47009664

約数和(自身を除く): 25765758

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 25111, 50222, 75333, 150666, 225999, 451998, 1180217, 2360434, 3540651, 7081302, 10621953, 21243906]

約数ペア:

[(1, 21243906), (2, 10621953), (3, 7081302), (6, 3540651), (9, 2360434), (18, 1180217), (47, 451998), (94, 225999), (141, 150666), (282, 75333), (423, 50222), (846, 25111)]