21931569

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7639}}^1$

素因数の和:7685

約数の個数: 24

約数和(自身を含む): 35755200

約数和(自身を除く): 13823631

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 7639, 22917, 68751, 84029, 221531, 252087, 664593, 756261, 1993779, 2436841, 7310523, 21931569]

約数ペア:

[(1, 21931569), (3, 7310523), (9, 2436841), (11, 1993779), (29, 756261), (33, 664593), (87, 252087), (99, 221531), (261, 84029), (319, 68751), (957, 22917), (2871, 7639)]