21671277

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{9041}}^1$

素因数の和:9108

約数の個数: 16

約数和(自身を含む): 31249152

約数和(自身を除く): 9577875

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 9041, 27123, 153697, 424927, 461091, 1274781, 7223759, 21671277]

約数ペア:

[(1, 21671277), (3, 7223759), (17, 1274781), (47, 461091), (51, 424927), (141, 153697), (799, 27123), (2397, 9041)]