21434545

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 28728000

約数和(自身を除く): 7293455

約数列:

[1, 5, 11, 55, 71, 121, 355, 499, 605, 781, 2495, 3905, 5489, 8591, 27445, 35429, 42955, 60379, 177145, 301895, 389719, 1948595, 4286909, 21434545]

約数ペア:

[(1, 21434545), (5, 4286909), (11, 1948595), (55, 389719), (71, 301895), (121, 177145), (355, 60379), (499, 42955), (605, 35429), (781, 27445), (2495, 8591), (3905, 5489)]