21060850

素因数分解:

$2^1\times 5^2\times {\mathrm{397}}^1\times {\mathrm{1061}}^1$

素因数の和:1470

約数の個数: 24

約数和(自身を含む): 39308868

約数和(自身を除く): 18248018

約数列:

[1, 2, 5, 10, 25, 50, 397, 794, 1061, 1985, 2122, 3970, 5305, 9925, 10610, 19850, 26525, 53050, 421217, 842434, 2106085, 4212170, 10530425, 21060850]

約数ペア:

[(1, 21060850), (2, 10530425), (5, 4212170), (10, 2106085), (25, 842434), (50, 421217), (397, 53050), (794, 26525), (1061, 19850), (1985, 10610), (2122, 9925), (3970, 5305)]