21062415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1193}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 37138176

約数和(自身を除く): 16075761

約数列:

[1, 3, 5, 11, 15, 33, 55, 107, 165, 321, 535, 1177, 1193, 1605, 3531, 3579, 5885, 5965, 13123, 17655, 17895, 39369, 65615, 127651, 196845, 382953, 638255, 1404161, 1914765, 4212483, 7020805, 21062415]

約数ペア:

[(1, 21062415), (3, 7020805), (5, 4212483), (11, 1914765), (15, 1404161), (33, 638255), (55, 382953), (107, 196845), (165, 127651), (321, 65615), (535, 39369), (1177, 17895), (1193, 17655), (1605, 13123), (3531, 5965), (3579, 5885)]