21513246

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{49117}}^1$

素因数の和:49195

約数の個数: 16

約数和(自身を含む): 43616784

約数和(自身を除く): 22103538

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 49117, 98234, 147351, 294702, 3585541, 7171082, 10756623, 21513246]

約数ペア:

[(1, 21513246), (2, 10756623), (3, 7171082), (6, 3585541), (73, 294702), (146, 147351), (219, 98234), (438, 49117)]