30921556

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{70921}}^1$

素因数の和:71034

約数の個数: 12

約数和(自身を含む): 54609940

約数和(自身を除く): 23688384

約数列:

[1, 2, 4, 109, 218, 436, 70921, 141842, 283684, 7730389, 15460778, 30921556]

約数ペア:

[(1, 30921556), (2, 15460778), (4, 7730389), (109, 283684), (218, 141842), (436, 70921)]