21167768150

素因数分解:

$2^1\times 5^2\times {\mathrm{809}}^1\times {\mathrm{523307}}^1$

素因数の和:524128

約数の個数: 24

約数和(自身を含む): 39420791640

約数和(自身を除く): 18253023490

約数列:

[1, 2, 5, 10, 25, 50, 809, 1618, 4045, 8090, 20225, 40450, 523307, 1046614, 2616535, 5233070, 13082675, 26165350, 423355363, 846710726, 2116776815, 4233553630, 10583884075, 21167768150]

約数ペア:

[(1, 21167768150), (2, 10583884075), (5, 4233553630), (10, 2116776815), (25, 846710726), (50, 423355363), (809, 26165350), (1618, 13082675), (4045, 5233070), (8090, 2616535), (20225, 1046614), (40450, 523307)]