20212918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22409}}^1$

素因数の和:22463

約数の個数: 16

約数和(自身を含む): 33883920

約数和(自身を除く): 13671002

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 22409, 44818, 246499, 492998, 918769, 1837538, 10106459, 20212918]

約数ペア:

[(1, 20212918), (2, 10106459), (11, 1837538), (22, 918769), (41, 492998), (82, 246499), (451, 44818), (902, 22409)]