2021497945

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{181219}}^1$

素因数の和:181344

約数の個数: 16

約数和(自身を含む): 2557376640

約数和(自身を除く): 535878695

約数列:

[1, 5, 23, 97, 115, 485, 2231, 11155, 181219, 906095, 4168037, 17578243, 20840185, 87891215, 404299589, 2021497945]

約数ペア:

[(1, 2021497945), (5, 404299589), (23, 87891215), (97, 20840185), (115, 17578243), (485, 4168037), (2231, 906095), (11155, 181219)]