21879684

素因数分解:

$2^2\times 3^2\times {\mathrm{607769}}^1$

素因数の和:607779

約数の個数: 18

約数和(自身を含む): 55307070

約数和(自身を除く): 33427386

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607769, 1215538, 1823307, 2431076, 3646614, 5469921, 7293228, 10939842, 21879684]

約数ペア:

[(1, 21879684), (2, 10939842), (3, 7293228), (4, 5469921), (6, 3646614), (9, 2431076), (12, 1823307), (18, 1215538), (36, 607769)]