16721818

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{2161}}^1$

素因数の和:2289

約数の個数: 16

約数和(自身を含む): 25918056

約数和(自身を除く): 9196238

約数列:

[1, 2, 53, 73, 106, 146, 2161, 3869, 4322, 7738, 114533, 157753, 229066, 315506, 8360909, 16721818]

約数ペア:

[(1, 16721818), (2, 8360909), (53, 315506), (73, 229066), (106, 157753), (146, 114533), (2161, 7738), (3869, 4322)]