21050456

素因数分解:

$2^3\times 7^1\times {\mathrm{375901}}^1$

素因数の和:375914

約数の個数: 16

約数和(自身を含む): 45108240

約数和(自身を除く): 24057784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 375901, 751802, 1503604, 2631307, 3007208, 5262614, 10525228, 21050456]

約数ペア:

[(1, 21050456), (2, 10525228), (4, 5262614), (7, 3007208), (8, 2631307), (14, 1503604), (28, 751802), (56, 375901)]