21394876

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{10111}}^1$

素因数の和:10161

約数の個数: 18

約数和(自身を含む): 39143552

約数和(自身を除く): 17748676

約数列:

[1, 2, 4, 23, 46, 92, 529, 1058, 2116, 10111, 20222, 40444, 232553, 465106, 930212, 5348719, 10697438, 21394876]

約数ペア:

[(1, 21394876), (2, 10697438), (4, 5348719), (23, 930212), (46, 465106), (92, 232553), (529, 40444), (1058, 20222), (2116, 10111)]