21651670

素因数分解:

$2^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{2441}}^1$

素因数の和:3335

約数の個数: 16

約数和(自身を含む): 39032928

約数和(自身を除く): 17381258

約数列:

[1, 2, 5, 10, 887, 1774, 2441, 4435, 4882, 8870, 12205, 24410, 2165167, 4330334, 10825835, 21651670]

約数ペア:

[(1, 21651670), (2, 10825835), (5, 4330334), (10, 2165167), (887, 24410), (1774, 12205), (2441, 8870), (4435, 4882)]