21531660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{358861}}^1$

素因数の和:358873

約数の個数: 24

約数和(自身を含む): 60288816

約数和(自身を除く): 38757156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 358861, 717722, 1076583, 1435444, 1794305, 2153166, 3588610, 4306332, 5382915, 7177220, 10765830, 21531660]

約数ペア:

[(1, 21531660), (2, 10765830), (3, 7177220), (4, 5382915), (5, 4306332), (6, 3588610), (10, 2153166), (12, 1794305), (15, 1435444), (20, 1076583), (30, 717722), (60, 358861)]