21043137

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1871}}^1$

素因数の和:2060

約数の個数: 16

約数和(自身を含む): 29472768

約数和(自身を除く): 8429631

約数列:

[1, 3, 23, 69, 163, 489, 1871, 3749, 5613, 11247, 43033, 129099, 304973, 914919, 7014379, 21043137]

約数ペア:

[(1, 21043137), (3, 7014379), (23, 914919), (69, 304973), (163, 129099), (489, 43033), (1871, 11247), (3749, 5613)]