21171260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96233}}^1$

素因数の和:96253

約数の個数: 24

約数和(自身を含む): 48501936

約数和(自身を除く): 27330676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96233, 192466, 384932, 481165, 962330, 1058563, 1924660, 2117126, 4234252, 5292815, 10585630, 21171260]

約数ペア:

[(1, 21171260), (2, 10585630), (4, 5292815), (5, 4234252), (10, 2117126), (11, 1924660), (20, 1058563), (22, 962330), (44, 481165), (55, 384932), (110, 192466), (220, 96233)]