22111540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9137}}^1$

素因数の和:9168

約数の個数: 36

約数和(自身を含む): 51044868

約数和(自身を除く): 28933328

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 9137, 18274, 36548, 45685, 91370, 100507, 182740, 201014, 402028, 502535, 1005070, 1105577, 2010140, 2211154, 4422308, 5527885, 11055770, 22111540]

約数ペア:

[(1, 22111540), (2, 11055770), (4, 5527885), (5, 4422308), (10, 2211154), (11, 2010140), (20, 1105577), (22, 1005070), (44, 502535), (55, 402028), (110, 201014), (121, 182740), (220, 100507), (242, 91370), (484, 45685), (605, 36548), (1210, 18274), (2420, 9137)]