21043485255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3481139}}^1$

素因数の和:3481191

約数の個数: 32

約数和(自身を含む): 37429217280

約数和(自身を除く): 16385732025

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 6045, 3481139, 10443417, 17405695, 45254807, 52217085, 107915309, 135764421, 226274035, 323745927, 539576545, 678822105, 1402899017, 1618729635, 4208697051, 7014495085, 21043485255]

約数ペア:

[(1, 21043485255), (3, 7014495085), (5, 4208697051), (13, 1618729635), (15, 1402899017), (31, 678822105), (39, 539576545), (65, 323745927), (93, 226274035), (155, 135764421), (195, 107915309), (403, 52217085), (465, 45254807), (1209, 17405695), (2015, 10443417), (6045, 3481139)]