21883421

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1201}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 26540160

約数和(自身を除く): 4656739

約数列:

[1, 7, 19, 133, 137, 959, 1201, 2603, 8407, 18221, 22819, 159733, 164537, 1151759, 3126203, 21883421]

約数ペア:

[(1, 21883421), (7, 3126203), (19, 1151759), (133, 164537), (137, 159733), (959, 22819), (1201, 18221), (2603, 8407)]