2021844290

素因数分解:

$2^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{200381}}^1$

素因数の和:201397

約数の個数: 16

約数和(自身を含む): 3642944760

約数和(自身を除く): 1621100470

約数列:

[1, 2, 5, 10, 1009, 2018, 5045, 10090, 200381, 400762, 1001905, 2003810, 202184429, 404368858, 1010922145, 2021844290]

約数ペア:

[(1, 2021844290), (2, 1010922145), (5, 404368858), (10, 202184429), (1009, 2003810), (2018, 1001905), (5045, 400762), (10090, 200381)]