21074295

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{379}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 36990720

約数和(自身を除く): 15916425

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 337, 379, 1011, 1137, 1685, 1895, 3707, 4169, 5055, 5685, 11121, 12507, 18535, 20845, 55605, 62535, 127723, 383169, 638615, 1404953, 1915845, 4214859, 7024765, 21074295]

約数ペア:

[(1, 21074295), (3, 7024765), (5, 4214859), (11, 1915845), (15, 1404953), (33, 638615), (55, 383169), (165, 127723), (337, 62535), (379, 55605), (1011, 20845), (1137, 18535), (1685, 12507), (1895, 11121), (3707, 5685), (4169, 5055)]