21279623

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 16

約数和(自身を含む): 22934016

約数和(自身を除く): 1654393

約数列:

[1, 23, 71, 83, 157, 1633, 1909, 3611, 5893, 11147, 13031, 135539, 256381, 299713, 925201, 21279623]

約数ペア:

[(1, 21279623), (23, 925201), (71, 299713), (83, 256381), (157, 135539), (1633, 13031), (1909, 11147), (3611, 5893)]