21036485

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1153}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 26172720

約数和(自身を除く): 5136235

約数列:

[1, 5, 41, 89, 205, 445, 1153, 3649, 5765, 18245, 47273, 102617, 236365, 513085, 4207297, 21036485]

約数ペア:

[(1, 21036485), (5, 4207297), (41, 513085), (89, 236365), (205, 102617), (445, 47273), (1153, 18245), (3649, 5765)]