221421020

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{9127}}^1$

素因数の和:10349

約数の個数: 24

約数和(自身を含む): 465418464

約数和(自身を除く): 243997444

約数列:

[1, 2, 4, 5, 10, 20, 1213, 2426, 4852, 6065, 9127, 12130, 18254, 24260, 36508, 45635, 91270, 182540, 11071051, 22142102, 44284204, 55355255, 110710510, 221421020]

約数ペア:

[(1, 221421020), (2, 110710510), (4, 55355255), (5, 44284204), (10, 22142102), (20, 11071051), (1213, 182540), (2426, 91270), (4852, 45635), (6065, 36508), (9127, 24260), (12130, 18254)]