21000886175

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{449}}^1\times {\mathrm{22541}}^1$

素因数の和:23083

約数の個数: 24

約数和(自身を含む): 26414715600

約数和(自身を除く): 5413829425

約数列:

[1, 5, 25, 83, 415, 449, 2075, 2245, 11225, 22541, 37267, 112705, 186335, 563525, 931675, 1870903, 9354515, 10120909, 46772575, 50604545, 253022725, 840035447, 4200177235, 21000886175]

約数ペア:

[(1, 21000886175), (5, 4200177235), (25, 840035447), (83, 253022725), (415, 50604545), (449, 46772575), (2075, 10120909), (2245, 9354515), (11225, 1870903), (22541, 931675), (37267, 563525), (112705, 186335)]