21329572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{484763}}^1$

素因数の和:484778

約数の個数: 12

約数和(自身を含む): 40720176

約数和(自身を除く): 19390604

約数列:

[1, 2, 4, 11, 22, 44, 484763, 969526, 1939052, 5332393, 10664786, 21329572]

約数ペア:

[(1, 21329572), (2, 10664786), (4, 5332393), (11, 1939052), (22, 969526), (44, 484763)]