21303849256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{140156903}}^1$

素因数の和:140156928

約数の個数: 16

約数和(自身を含む): 42047071200

約数和(自身を除く): 20743221944

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 140156903, 280313806, 560627612, 1121255224, 2662981157, 5325962314, 10651924628, 21303849256]

約数ペア:

[(1, 21303849256), (2, 10651924628), (4, 5325962314), (8, 2662981157), (19, 1121255224), (38, 560627612), (76, 280313806), (152, 140156903)]