21212180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96419}}^1$

素因数の和:96439

約数の個数: 24

約数和(自身を含む): 48595680

約数和(自身を除く): 27383500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96419, 192838, 385676, 482095, 964190, 1060609, 1928380, 2121218, 4242436, 5303045, 10606090, 21212180]

約数ペア:

[(1, 21212180), (2, 10606090), (4, 5303045), (5, 4242436), (10, 2121218), (11, 1928380), (20, 1060609), (22, 964190), (44, 482095), (55, 385676), (110, 192838), (220, 96419)]