21612627

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4871}}^1$

素因数の和:4923

約数の個数: 24

約数和(自身を含む): 34201440

約数和(自身を除く): 12588813

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 4871, 14613, 43839, 82807, 141259, 248421, 423777, 745263, 1271331, 2401403, 7204209, 21612627]

約数ペア:

[(1, 21612627), (3, 7204209), (9, 2401403), (17, 1271331), (29, 745263), (51, 423777), (87, 248421), (153, 141259), (261, 82807), (493, 43839), (1479, 14613), (4437, 4871)]