2153140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9787}}^1$

素因数の和:9807

約数の個数: 24

約数和(自身を含む): 4933152

約数和(自身を除く): 2780012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9787, 19574, 39148, 48935, 97870, 107657, 195740, 215314, 430628, 538285, 1076570, 2153140]

約数ペア:

[(1, 2153140), (2, 1076570), (4, 538285), (5, 430628), (10, 215314), (11, 195740), (20, 107657), (22, 97870), (44, 48935), (55, 39148), (110, 19574), (220, 9787)]