21898971

素因数分解:

$3^3\times {\mathrm{59}}^2\times {\mathrm{233}}^1$

素因数の和:360

約数の個数: 24

約数和(自身を含む): 33143760

約数和(自身を除く): 11244789

約数列:

[1, 3, 9, 27, 59, 177, 233, 531, 699, 1593, 2097, 3481, 6291, 10443, 13747, 31329, 41241, 93987, 123723, 371169, 811073, 2433219, 7299657, 21898971]

約数ペア:

[(1, 21898971), (3, 7299657), (9, 2433219), (27, 811073), (59, 371169), (177, 123723), (233, 93987), (531, 41241), (699, 31329), (1593, 13747), (2097, 10443), (3481, 6291)]