21150776

素因数分解:

$2^3\times {\mathrm{1151}}^1\times {\mathrm{2297}}^1$

素因数の和:3454

約数の個数: 16

約数和(自身を含む): 39709440

約数和(自身を除く): 18558664

約数列:

[1, 2, 4, 8, 1151, 2297, 2302, 4594, 4604, 9188, 9208, 18376, 2643847, 5287694, 10575388, 21150776]

約数ペア:

[(1, 21150776), (2, 10575388), (4, 5287694), (8, 2643847), (1151, 18376), (2297, 9208), (2302, 9188), (4594, 4604)]