21093316

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{66751}}^1$

素因数の和:66834

約数の個数: 12

約数和(自身を含む): 37381120

約数和(自身を除く): 16287804

約数列:

[1, 2, 4, 79, 158, 316, 66751, 133502, 267004, 5273329, 10546658, 21093316]

約数ペア:

[(1, 21093316), (2, 10546658), (4, 5273329), (79, 267004), (158, 133502), (316, 66751)]