21647137

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2311}}^1$

素因数の和:2376

約数の個数: 16

約数和(自身を含む): 24969600

約数和(自身を除く): 3322463

約数列:

[1, 17, 19, 29, 323, 493, 551, 2311, 9367, 39287, 43909, 67019, 746453, 1139323, 1273361, 21647137]

約数ペア:

[(1, 21647137), (17, 1273361), (19, 1139323), (29, 746453), (323, 67019), (493, 43909), (551, 39287), (2311, 9367)]