21189728

素因数分解:

$2^5\times 7^1\times {\mathrm{94597}}^1$

素因数の和:94614

約数の個数: 24

約数和(自身を含む): 47677392

約数和(自身を除く): 26487664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 94597, 189194, 378388, 662179, 756776, 1324358, 1513552, 2648716, 3027104, 5297432, 10594864, 21189728]

約数ペア:

[(1, 21189728), (2, 10594864), (4, 5297432), (7, 3027104), (8, 2648716), (14, 1513552), (16, 1324358), (28, 756776), (32, 662179), (56, 378388), (112, 189194), (224, 94597)]