21139367048

素因数分解:

$2^3\times {\mathrm{773}}^1\times {\mathrm{3418397}}^1$

素因数の和:3419176

約数の個数: 16

約数和(自身を含む): 39687600780

約数和(自身を除く): 18548233732

約数列:

[1, 2, 4, 8, 773, 1546, 3092, 6184, 3418397, 6836794, 13673588, 27347176, 2642420881, 5284841762, 10569683524, 21139367048]

約数ペア:

[(1, 21139367048), (2, 10569683524), (4, 5284841762), (8, 2642420881), (773, 27347176), (1546, 13673588), (3092, 6836794), (6184, 3418397)]