21623415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4519}}^1$

素因数の和:4567

約数の個数: 32

約数和(自身を含む): 39052800

約数和(自身を除く): 17429385

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 145, 165, 319, 435, 957, 1595, 4519, 4785, 13557, 22595, 49709, 67785, 131051, 149127, 248545, 393153, 655255, 745635, 1441561, 1965765, 4324683, 7207805, 21623415]

約数ペア:

[(1, 21623415), (3, 7207805), (5, 4324683), (11, 1965765), (15, 1441561), (29, 745635), (33, 655255), (55, 393153), (87, 248545), (145, 149127), (165, 131051), (319, 67785), (435, 49709), (957, 22595), (1595, 13557), (4519, 4785)]