21189124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{481571}}^1$

素因数の和:481586

約数の個数: 12

約数和(自身を含む): 40452048

約数和(自身を除く): 19262924

約数列:

[1, 2, 4, 11, 22, 44, 481571, 963142, 1926284, 5297281, 10594562, 21189124]

約数ペア:

[(1, 21189124), (2, 10594562), (4, 5297281), (11, 1926284), (22, 963142), (44, 481571)]