21235496

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{85627}}^1$

素因数の和:85664

約数の個数: 16

約数和(自身を含む): 41101440

約数和(自身を除く): 19865944

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 85627, 171254, 342508, 685016, 2654437, 5308874, 10617748, 21235496]

約数ペア:

[(1, 21235496), (2, 10617748), (4, 5308874), (8, 2654437), (31, 685016), (62, 342508), (124, 171254), (248, 85627)]