21964172

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1237}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 40348896

約数和(自身を除く): 18384724

約数列:

[1, 2, 4, 23, 46, 92, 193, 386, 772, 1237, 2474, 4439, 4948, 8878, 17756, 28451, 56902, 113804, 238741, 477482, 954964, 5491043, 10982086, 21964172]

約数ペア:

[(1, 21964172), (2, 10982086), (4, 5491043), (23, 954964), (46, 477482), (92, 238741), (193, 113804), (386, 56902), (772, 28451), (1237, 17756), (2474, 8878), (4439, 4948)]