21891258

素因数分解:

$2^1\times 3^2\times {\mathrm{479}}^1\times {\mathrm{2539}}^1$

素因数の和:3026

約数の個数: 24

約数和(自身を含む): 47548800

約数和(自身を除く): 25657542

約数列:

[1, 2, 3, 6, 9, 18, 479, 958, 1437, 2539, 2874, 4311, 5078, 7617, 8622, 15234, 22851, 45702, 1216181, 2432362, 3648543, 7297086, 10945629, 21891258]

約数ペア:

[(1, 21891258), (2, 10945629), (3, 7297086), (6, 3648543), (9, 2432362), (18, 1216181), (479, 45702), (958, 22851), (1437, 15234), (2539, 8622), (2874, 7617), (4311, 5078)]