21093471

素因数分解:

$3^2\times 7^3\times {\mathrm{6833}}^1$

素因数の和:6860

約数の個数: 24

約数和(自身を含む): 35536800

約数和(自身を除く): 14443329

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6833, 20499, 47831, 61497, 143493, 334817, 430479, 1004451, 2343719, 3013353, 7031157, 21093471]

約数ペア:

[(1, 21093471), (3, 7031157), (7, 3013353), (9, 2343719), (21, 1004451), (49, 430479), (63, 334817), (147, 143493), (343, 61497), (441, 47831), (1029, 20499), (3087, 6833)]