21886146

素因数分解:

$2^1\times 3^3\times {\mathrm{405299}}^1$

素因数の和:405310

約数の個数: 16

約数和(自身を含む): 48636000

約数和(自身を除く): 26749854

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 405299, 810598, 1215897, 2431794, 3647691, 7295382, 10943073, 21886146]

約数ペア:

[(1, 21886146), (2, 10943073), (3, 7295382), (6, 3647691), (9, 2431794), (18, 1215897), (27, 810598), (54, 405299)]