21094084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3449}}^1$

素因数の和:3603

約数の個数: 24

約数和(自身を含む): 40572000

約数和(自身を除く): 19477916

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 3449, 6116, 6898, 13796, 37939, 75878, 151756, 479411, 958822, 1917644, 5273521, 10547042, 21094084]

約数ペア:

[(1, 21094084), (2, 10547042), (4, 5273521), (11, 1917644), (22, 958822), (44, 479411), (139, 151756), (278, 75878), (556, 37939), (1529, 13796), (3058, 6898), (3449, 6116)]