21317946

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{811}}^1$

素因数の和:1166

約数の個数: 32

約数和(自身を含む): 46108608

約数和(自身を除く): 24790662

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 337, 674, 811, 1011, 1622, 2022, 2433, 4381, 4866, 8762, 10543, 13143, 21086, 26286, 31629, 63258, 273307, 546614, 819921, 1639842, 3552991, 7105982, 10658973, 21317946]

約数ペア:

[(1, 21317946), (2, 10658973), (3, 7105982), (6, 3552991), (13, 1639842), (26, 819921), (39, 546614), (78, 273307), (337, 63258), (674, 31629), (811, 26286), (1011, 21086), (1622, 13143), (2022, 10543), (2433, 8762), (4381, 4866)]