21000786

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{47947}}^1$

素因数の和:48025

約数の個数: 16

約数和(自身を含む): 42577824

約数和(自身を除く): 21577038

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 47947, 95894, 143841, 287682, 3500131, 7000262, 10500393, 21000786]

約数ペア:

[(1, 21000786), (2, 10500393), (3, 7000262), (6, 3500131), (73, 287682), (146, 143841), (219, 95894), (438, 47947)]