21519684

素因数分解:

$2^2\times 3^2\times {\mathrm{597769}}^1$

素因数の和:597779

約数の個数: 18

約数和(自身を含む): 54397070

約数和(自身を除く): 32877386

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 597769, 1195538, 1793307, 2391076, 3586614, 5379921, 7173228, 10759842, 21519684]

約数ペア:

[(1, 21519684), (2, 10759842), (3, 7173228), (4, 5379921), (6, 3586614), (9, 2391076), (12, 1793307), (18, 1195538), (36, 597769)]