21123684

素因数分解:

$2^2\times 3^2\times {\mathrm{586769}}^1$

素因数の和:586779

約数の個数: 18

約数和(自身を含む): 53396070

約数和(自身を除く): 32272386

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 586769, 1173538, 1760307, 2347076, 3520614, 5280921, 7041228, 10561842, 21123684]

約数ペア:

[(1, 21123684), (2, 10561842), (3, 7041228), (4, 5280921), (6, 3520614), (9, 2347076), (12, 1760307), (18, 1173538), (36, 586769)]