21839290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{18049}}^1$

素因数の和:18078

約数の個数: 24

約数和(自身を含む): 43211700

約数和(自身を除く): 21372410

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 18049, 36098, 90245, 180490, 198539, 397078, 992695, 1985390, 2183929, 4367858, 10919645, 21839290]

約数ペア:

[(1, 21839290), (2, 10919645), (5, 4367858), (10, 2183929), (11, 1985390), (22, 992695), (55, 397078), (110, 198539), (121, 180490), (242, 90245), (605, 36098), (1210, 18049)]