21481016

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2341}}^1$

素因数の和:2415

約数の個数: 32

約数和(自身を含む): 42718080

約数和(自身を除く): 21237064

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 248, 296, 1147, 2294, 2341, 4588, 4682, 9176, 9364, 18728, 72571, 86617, 145142, 173234, 290284, 346468, 580568, 692936, 2685127, 5370254, 10740508, 21481016]

約数ペア:

[(1, 21481016), (2, 10740508), (4, 5370254), (8, 2685127), (31, 692936), (37, 580568), (62, 346468), (74, 290284), (124, 173234), (148, 145142), (248, 86617), (296, 72571), (1147, 18728), (2294, 9364), (2341, 9176), (4588, 4682)]