21094467

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9619}}^1$

素因数の和:9682

約数の個数: 16

約数和(自身を含む): 30476160

約数和(自身を除く): 9381693

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9619, 28857, 163523, 413617, 490569, 1240851, 7031489, 21094467]

約数ペア:

[(1, 21094467), (3, 7031489), (17, 1240851), (43, 490569), (51, 413617), (129, 163523), (731, 28857), (2193, 9619)]