21971818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{24359}}^1$

素因数の和:24413

約数の個数: 16

約数和(自身を含む): 36832320

約数和(自身を除く): 14860502

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 24359, 48718, 267949, 535898, 998719, 1997438, 10985909, 21971818]

約数ペア:

[(1, 21971818), (2, 10985909), (11, 1997438), (22, 998719), (41, 535898), (82, 267949), (451, 48718), (902, 24359)]