21527308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{489257}}^1$

素因数の和:489272

約数の個数: 12

約数和(自身を含む): 41097672

約数和(自身を除く): 19570364

約数列:

[1, 2, 4, 11, 22, 44, 489257, 978514, 1957028, 5381827, 10763654, 21527308]

約数ペア:

[(1, 21527308), (2, 10763654), (4, 5381827), (11, 1957028), (22, 978514), (44, 489257)]