21959421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{35023}}^1$

素因数の和:35056

約数の個数: 16

約数和(自身を含む): 33623040

約数和(自身を除く): 11663619

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 35023, 105069, 385253, 665437, 1155759, 1996311, 7319807, 21959421]

約数ペア:

[(1, 21959421), (3, 7319807), (11, 1996311), (19, 1155759), (33, 665437), (57, 385253), (209, 105069), (627, 35023)]