21421906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7433}}^1$

素因数の和:7577

約数の個数: 16

約数和(自身を含む): 35326368

約数和(自身を除く): 13904462

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 7433, 14866, 81763, 163526, 973723, 1947446, 10710953, 21421906]

約数ペア:

[(1, 21421906), (2, 10710953), (11, 1947446), (22, 973723), (131, 163526), (262, 81763), (1441, 14866), (2882, 7433)]