21969554

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{1103}}^1$

素因数の和:1561

約数の個数: 16

約数和(自身を含む): 34497792

約数和(自身を除く): 12528238

約数列:

[1, 2, 23, 46, 433, 866, 1103, 2206, 9959, 19918, 25369, 50738, 477599, 955198, 10984777, 21969554]

約数ペア:

[(1, 21969554), (2, 10984777), (23, 955198), (46, 477599), (433, 50738), (866, 25369), (1103, 19918), (2206, 9959)]