21826892

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1061}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 39548880

約数和(自身を除く): 17721988

約数列:

[1, 2, 4, 37, 74, 139, 148, 278, 556, 1061, 2122, 4244, 5143, 10286, 20572, 39257, 78514, 147479, 157028, 294958, 589916, 5456723, 10913446, 21826892]

約数ペア:

[(1, 21826892), (2, 10913446), (4, 5456723), (37, 589916), (74, 294958), (139, 157028), (148, 147479), (278, 78514), (556, 39257), (1061, 20572), (2122, 10286), (4244, 5143)]