21192976

素因数分解:

$2^4\times 7^1\times {\mathrm{189223}}^1$

素因数の和:189238

約数の個数: 20

約数和(自身を含む): 46927552

約数和(自身を除く): 25734576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 189223, 378446, 756892, 1324561, 1513784, 2649122, 3027568, 5298244, 10596488, 21192976]

約数ペア:

[(1, 21192976), (2, 10596488), (4, 5298244), (7, 3027568), (8, 2649122), (14, 1513784), (16, 1324561), (28, 756892), (56, 378446), (112, 189223)]