21771508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{1033}}^1$

素因数の和:1527

約数の個数: 24

約数和(自身を含む): 41690880

約数和(自身を除く): 19919372

約数列:

[1, 2, 4, 11, 22, 44, 479, 958, 1033, 1916, 2066, 4132, 5269, 10538, 11363, 21076, 22726, 45452, 494807, 989614, 1979228, 5442877, 10885754, 21771508]

約数ペア:

[(1, 21771508), (2, 10885754), (4, 5442877), (11, 1979228), (22, 989614), (44, 494807), (479, 45452), (958, 22726), (1033, 21076), (1916, 11363), (2066, 10538), (4132, 5269)]