16821872

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{3359}}^1$

素因数の和:3680

約数の個数: 20

約数和(自身を含む): 32706240

約数和(自身を除く): 15884368

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 3359, 5008, 6718, 13436, 26872, 53744, 1051367, 2102734, 4205468, 8410936, 16821872]

約数ペア:

[(1, 16821872), (2, 8410936), (4, 4205468), (8, 2102734), (16, 1051367), (313, 53744), (626, 26872), (1252, 13436), (2504, 6718), (3359, 5008)]