21198492712

素因数分解:

$2^3\times {\mathrm{4813}}^1\times {\mathrm{550553}}^1$

素因数の和:555372

約数の個数: 16

約数和(自身を含む): 39755504340

約数和(自身を除く): 18557011628

約数列:

[1, 2, 4, 8, 4813, 9626, 19252, 38504, 550553, 1101106, 2202212, 4404424, 2649811589, 5299623178, 10599246356, 21198492712]

約数ペア:

[(1, 21198492712), (2, 10599246356), (4, 5299623178), (8, 2649811589), (4813, 4404424), (9626, 2202212), (19252, 1101106), (38504, 550553)]