21106822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{2749}}^1$

素因数の和:3111

約数の個数: 16

約数和(自身を含む): 34650000

約数和(自身を除く): 13543178

約数列:

[1, 2, 11, 22, 349, 698, 2749, 3839, 5498, 7678, 30239, 60478, 959401, 1918802, 10553411, 21106822]

約数ペア:

[(1, 21106822), (2, 10553411), (11, 1918802), (22, 959401), (349, 60478), (698, 30239), (2749, 7678), (3839, 5498)]