21857143953

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{3187}}^1\times {\mathrm{38747}}^1$

素因数の和:41996

約数の個数: 16

約数和(自身を含む): 29646869760

約数和(自身を除く): 7789725807

約数列:

[1, 3, 59, 177, 3187, 9561, 38747, 116241, 188033, 564099, 2286073, 6858219, 123486689, 370460067, 7285714651, 21857143953]

約数ペア:

[(1, 21857143953), (3, 7285714651), (59, 370460067), (177, 123486689), (3187, 6858219), (9561, 2286073), (38747, 564099), (116241, 188033)]