21375145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9479}}^1$

素因数の和:9536

約数の個数: 16

約数和(自身を含む): 28667520

約数和(自身を除く): 7292375

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9479, 47395, 104269, 388639, 521345, 1943195, 4275029, 21375145]

約数ペア:

[(1, 21375145), (5, 4275029), (11, 1943195), (41, 521345), (55, 388639), (205, 104269), (451, 47395), (2255, 9479)]