21382170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{712739}}^1$

素因数の和:712749

約数の個数: 16

約数和(自身を含む): 51317280

約数和(自身を除く): 29935110

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 712739, 1425478, 2138217, 3563695, 4276434, 7127390, 10691085, 21382170]

約数ペア:

[(1, 21382170), (2, 10691085), (3, 7127390), (5, 4276434), (6, 3563695), (10, 2138217), (15, 1425478), (30, 712739)]