21616510

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1579}}^1$

素因数の和:1660

約数の個数: 24

約数和(自身を含む): 40015080

約数和(自身を除く): 18398570

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 1369, 1579, 2738, 3158, 6845, 7895, 13690, 15790, 58423, 116846, 292115, 584230, 2161651, 4323302, 10808255, 21616510]

約数ペア:

[(1, 21616510), (2, 10808255), (5, 4323302), (10, 2161651), (37, 584230), (74, 292115), (185, 116846), (370, 58423), (1369, 15790), (1579, 13690), (2738, 7895), (3158, 6845)]