21019467

素因数分解:

$3^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{1193}}^1$

素因数の和:2042

約数の個数: 16

約数和(自身を含む): 32094720

約数和(自身を除く): 11075253

約数列:

[1, 3, 7, 21, 839, 1193, 2517, 3579, 5873, 8351, 17619, 25053, 1000927, 3002781, 7006489, 21019467]

約数ペア:

[(1, 21019467), (3, 7006489), (7, 3002781), (21, 1000927), (839, 25053), (1193, 17619), (2517, 8351), (3579, 5873)]