21480592

素因数分解:

$2^4\times 7^1\times {\mathrm{191791}}^1$

素因数の和:191806

約数の個数: 20

約数和(自身を含む): 47564416

約数和(自身を除く): 26083824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191791, 383582, 767164, 1342537, 1534328, 2685074, 3068656, 5370148, 10740296, 21480592]

約数ペア:

[(1, 21480592), (2, 10740296), (4, 5370148), (7, 3068656), (8, 2685074), (14, 1534328), (16, 1342537), (28, 767164), (56, 383582), (112, 191791)]