21440193185

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{4441}}^1\times {\mathrm{31147}}^1$

素因数の和:35624

約数の個数: 16

約数和(自身を含む): 26565007872

約数和(自身を除く): 5124814687

約数列:

[1, 5, 31, 155, 4441, 22205, 31147, 137671, 155735, 688355, 965557, 4827785, 138323827, 691619135, 4288038637, 21440193185]

約数ペア:

[(1, 21440193185), (5, 4288038637), (31, 691619135), (155, 138323827), (4441, 4827785), (22205, 965557), (31147, 688355), (137671, 155735)]