21764029

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4943}}^1$

素因数の和:5004

約数の個数: 16

約数和(自身を含む): 27053568

約数和(自身を除く): 5289539

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 4943, 34601, 84031, 182891, 588217, 1280237, 3109147, 21764029]

約数ペア:

[(1, 21764029), (7, 3109147), (17, 1280237), (37, 588217), (119, 182891), (259, 84031), (629, 34601), (4403, 4943)]