21032406

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{8287}}^1$

素因数の和:8345

約数の個数: 32

約数和(自身を含む): 47738880

約数和(自身を除く): 26706474

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 8287, 16574, 24861, 49722, 74583, 149166, 223749, 389489, 447498, 778978, 1168467, 2336934, 3505401, 7010802, 10516203, 21032406]

約数ペア:

[(1, 21032406), (2, 10516203), (3, 7010802), (6, 3505401), (9, 2336934), (18, 1168467), (27, 778978), (47, 447498), (54, 389489), (94, 223749), (141, 149166), (282, 74583), (423, 49722), (846, 24861), (1269, 16574), (2538, 8287)]