21778842

素因数分解:

$2^1\times 3^1\times {\mathrm{521}}^1\times {\mathrm{6967}}^1$

素因数の和:7493

約数の個数: 16

約数和(自身を含む): 43647552

約数和(自身を除く): 21868710

約数列:

[1, 2, 3, 6, 521, 1042, 1563, 3126, 6967, 13934, 20901, 41802, 3629807, 7259614, 10889421, 21778842]

約数ペア:

[(1, 21778842), (2, 10889421), (3, 7259614), (6, 3629807), (521, 41802), (1042, 20901), (1563, 13934), (3126, 6967)]