21297716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16691}}^1$

素因数の和:16735

約数の個数: 24

約数和(自身を含む): 42063840

約数和(自身を除く): 20766124

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 16691, 33382, 66764, 183601, 367202, 484039, 734404, 968078, 1936156, 5324429, 10648858, 21297716]

約数ペア:

[(1, 21297716), (2, 10648858), (4, 5324429), (11, 1936156), (22, 968078), (29, 734404), (44, 484039), (58, 367202), (116, 183601), (319, 66764), (638, 33382), (1276, 16691)]