21158032

素因数分解:

$2^4\times 7^1\times {\mathrm{188911}}^1$

素因数の和:188926

約数の個数: 20

約数和(自身を含む): 46850176

約数和(自身を除く): 25692144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188911, 377822, 755644, 1322377, 1511288, 2644754, 3022576, 5289508, 10579016, 21158032]

約数ペア:

[(1, 21158032), (2, 10579016), (4, 5289508), (7, 3022576), (8, 2644754), (14, 1511288), (16, 1322377), (28, 755644), (56, 377822), (112, 188911)]