21000425474

素因数分解:

$2^1\times 7^1\times {\mathrm{1151}}^1\times {\mathrm{1303241}}^1$

素因数の和:1304401

約数の個数: 16

約数和(自身を含む): 36032034816

約数和(自身を除く): 15031609342

約数列:

[1, 2, 7, 14, 1151, 2302, 8057, 16114, 1303241, 2606482, 9122687, 18245374, 1500030391, 3000060782, 10500212737, 21000425474]

約数ペア:

[(1, 21000425474), (2, 10500212737), (7, 3000060782), (14, 1500030391), (1151, 18245374), (2302, 9122687), (8057, 2606482), (16114, 1303241)]