21337399

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:510

約数の個数: 16

約数和(自身を含む): 23662080

約数和(自身を除く): 2324681

約数列:

[1, 19, 23, 157, 311, 437, 2983, 3611, 5909, 7153, 48827, 68609, 135907, 927713, 1123021, 21337399]

約数ペア:

[(1, 21337399), (19, 1123021), (23, 927713), (157, 135907), (311, 68609), (437, 48827), (2983, 7153), (3611, 5909)]