21441392

素因数分解:

$2^4\times 7^1\times {\mathrm{191441}}^1$

素因数の和:191456

約数の個数: 20

約数和(自身を含む): 47477616

約数和(自身を除く): 26036224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191441, 382882, 765764, 1340087, 1531528, 2680174, 3063056, 5360348, 10720696, 21441392]

約数ペア:

[(1, 21441392), (2, 10720696), (4, 5360348), (7, 3063056), (8, 2680174), (14, 1531528), (16, 1340087), (28, 765764), (56, 382882), (112, 191441)]