21093956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1741}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 39947544

約数和(自身を除く): 18853588

約数列:

[1, 2, 4, 13, 26, 52, 233, 466, 932, 1741, 3029, 3482, 6058, 6964, 12116, 22633, 45266, 90532, 405653, 811306, 1622612, 5273489, 10546978, 21093956]

約数ペア:

[(1, 21093956), (2, 10546978), (4, 5273489), (13, 1622612), (26, 811306), (52, 405653), (233, 90532), (466, 45266), (932, 22633), (1741, 12116), (3029, 6964), (3482, 6058)]