21210224

素因数分解:

$2^4\times 7^1\times {\mathrm{189377}}^1$

素因数の和:189392

約数の個数: 20

約数和(自身を含む): 46965744

約数和(自身を除く): 25755520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 189377, 378754, 757508, 1325639, 1515016, 2651278, 3030032, 5302556, 10605112, 21210224]

約数ペア:

[(1, 21210224), (2, 10605112), (4, 5302556), (7, 3030032), (8, 2651278), (14, 1515016), (16, 1325639), (28, 757508), (56, 378754), (112, 189377)]