21558046

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 35471520

約数和(自身を除く): 13913474

約数列:

[1, 2, 19, 38, 41, 82, 101, 137, 202, 274, 779, 1558, 1919, 2603, 3838, 4141, 5206, 5617, 8282, 11234, 13837, 27674, 78679, 106723, 157358, 213446, 262903, 525806, 567317, 1134634, 10779023, 21558046]

約数ペア:

[(1, 21558046), (2, 10779023), (19, 1134634), (38, 567317), (41, 525806), (82, 262903), (101, 213446), (137, 157358), (202, 106723), (274, 78679), (779, 27674), (1558, 13837), (1919, 11234), (2603, 8282), (3838, 5617), (4141, 5206)]