21770408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{247391}}^1$

素因数の和:247408

約数の個数: 16

約数和(自身を含む): 44530560

約数和(自身を除く): 22760152

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 247391, 494782, 989564, 1979128, 2721301, 5442602, 10885204, 21770408]

約数ペア:

[(1, 21770408), (2, 10885204), (4, 5442602), (8, 2721301), (11, 1979128), (22, 989564), (44, 494782), (88, 247391)]