21742061

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4523}}^1$

素因数の和:4576

約数の個数: 16

約数和(自身を含む): 26058240

約数和(自身を除く): 4316179

約数列:

[1, 11, 19, 23, 209, 253, 437, 4523, 4807, 49753, 85937, 104029, 945307, 1144319, 1976551, 21742061]

約数ペア:

[(1, 21742061), (11, 1976551), (19, 1144319), (23, 945307), (209, 104029), (253, 85937), (437, 49753), (4523, 4807)]