21247666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20549}}^1$

素因数の和:20609

約数の個数: 16

約数和(自身を含む): 35510400

約数和(自身を除く): 14262734

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20549, 41098, 226039, 452078, 965803, 1931606, 10623833, 21247666]

約数ペア:

[(1, 21247666), (2, 10623833), (11, 1931606), (22, 965803), (47, 452078), (94, 226039), (517, 41098), (1034, 20549)]