21863430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{242927}}^1$

素因数の和:242940

約数の個数: 24

約数和(自身を含む): 56845152

約数和(自身を除く): 34981722

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 242927, 485854, 728781, 1214635, 1457562, 2186343, 2429270, 3643905, 4372686, 7287810, 10931715, 21863430]

約数ペア:

[(1, 21863430), (2, 10931715), (3, 7287810), (5, 4372686), (6, 3643905), (9, 2429270), (10, 2186343), (15, 1457562), (18, 1214635), (30, 728781), (45, 485854), (90, 242927)]