21447486

素因数分解:

$2^1\times 3^2\times {\mathrm{521}}^1\times {\mathrm{2287}}^1$

素因数の和:2816

約数の個数: 24

約数和(自身を含む): 46579104

約数和(自身を除く): 25131618

約数列:

[1, 2, 3, 6, 9, 18, 521, 1042, 1563, 2287, 3126, 4574, 4689, 6861, 9378, 13722, 20583, 41166, 1191527, 2383054, 3574581, 7149162, 10723743, 21447486]

約数ペア:

[(1, 21447486), (2, 10723743), (3, 7149162), (6, 3574581), (9, 2383054), (18, 1191527), (521, 41166), (1042, 20583), (1563, 13722), (2287, 9378), (3126, 6861), (4574, 4689)]