21167741905

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{372311}}^1$

素因数の和:372536

約数の個数: 16

約数和(自身を含む): 25895044224

約数和(自身を除く): 4727302319

約数列:

[1, 5, 83, 137, 415, 685, 11371, 56855, 372311, 1861555, 30901813, 51006607, 154509065, 255033035, 4233548381, 21167741905]

約数ペア:

[(1, 21167741905), (5, 4233548381), (83, 255033035), (137, 154509065), (415, 51006607), (685, 30901813), (11371, 1861555), (56855, 372311)]