21882290

素因数分解:

$2^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{2467}}^1$

素因数の和:3361

約数の個数: 16

約数和(自身を含む): 39448512

約数和(自身を除く): 17566222

約数列:

[1, 2, 5, 10, 887, 1774, 2467, 4435, 4934, 8870, 12335, 24670, 2188229, 4376458, 10941145, 21882290]

約数ペア:

[(1, 21882290), (2, 10941145), (5, 4376458), (10, 2188229), (887, 24670), (1774, 12335), (2467, 8870), (4435, 4934)]