21286754

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{21589}}^1$

素因数の和:21637

約数の個数: 16

約数和(自身を含む): 34975800

約数和(自身を除く): 13689046

約数列:

[1, 2, 17, 29, 34, 58, 493, 986, 21589, 43178, 367013, 626081, 734026, 1252162, 10643377, 21286754]

約数ペア:

[(1, 21286754), (2, 10643377), (17, 1252162), (29, 734026), (34, 626081), (58, 367013), (493, 43178), (986, 21589)]