21307524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253661}}^1$

素因数の和:253675

約数の個数: 24

約数和(自身を含む): 56820288

約数和(自身を除く): 35512764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253661, 507322, 760983, 1014644, 1521966, 1775627, 3043932, 3551254, 5326881, 7102508, 10653762, 21307524]

約数ペア:

[(1, 21307524), (2, 10653762), (3, 7102508), (4, 5326881), (6, 3551254), (7, 3043932), (12, 1775627), (14, 1521966), (21, 1014644), (28, 760983), (42, 507322), (84, 253661)]