21062836

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1491

約数の個数: 24

約数和(自身を含む): 38097864

約数和(自身を除く): 17035028

約数列:

[1, 2, 4, 53, 73, 106, 146, 212, 292, 1361, 2722, 3869, 5444, 7738, 15476, 72133, 99353, 144266, 198706, 288532, 397412, 5265709, 10531418, 21062836]

約数ペア:

[(1, 21062836), (2, 10531418), (4, 5265709), (53, 397412), (73, 288532), (106, 198706), (146, 144266), (212, 99353), (292, 72133), (1361, 15476), (2722, 7738), (3869, 5444)]