21324820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96931}}^1$

素因数の和:96951

約数の個数: 24

約数和(自身を含む): 48853728

約数和(自身を除く): 27528908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96931, 193862, 387724, 484655, 969310, 1066241, 1938620, 2132482, 4264964, 5331205, 10662410, 21324820]

約数ペア:

[(1, 21324820), (2, 10662410), (4, 5331205), (5, 4264964), (10, 2132482), (11, 1938620), (20, 1066241), (22, 969310), (44, 484655), (55, 387724), (110, 193862), (220, 96931)]