21285750872071

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{739}}^1\times {\mathrm{39949309}}^1$

素因数の和:39950158

約数の個数: 16

約数和(自身を含む): 24595991180800

約数和(自身を除く): 3310240308729

約数列:

[1, 7, 103, 721, 739, 5173, 76117, 532819, 39949309, 279645163, 4114778827, 28803451789, 29522539351, 206657775457, 3040821553153, 21285750872071]

約数ペア:

[(1, 21285750872071), (7, 3040821553153), (103, 206657775457), (721, 29522539351), (739, 28803451789), (5173, 4114778827), (76117, 279645163), (532819, 39949309)]