2021559970

素因数分解:

$2^1\times 5^1\times {\mathrm{1847}}^1\times {\mathrm{109451}}^1$

素因数の和:111305

約数の個数: 16

約数和(自身を含む): 3640811328

約数和(自身を除く): 1619251358

約数列:

[1, 2, 5, 10, 1847, 3694, 9235, 18470, 109451, 218902, 547255, 1094510, 202155997, 404311994, 1010779985, 2021559970]

約数ペア:

[(1, 2021559970), (2, 1010779985), (5, 404311994), (10, 202155997), (1847, 1094510), (3694, 547255), (9235, 218902), (18470, 109451)]