21000929493

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2099}}^1\times {\mathrm{3919}}^1$

素因数の和:6081

約数の個数: 32

約数和(自身を含む): 30030336000

約数和(自身を除く): 9029406507

約数列:

[1, 3, 23, 37, 69, 111, 851, 2099, 2553, 3919, 6297, 11757, 48277, 77663, 90137, 144831, 145003, 232989, 270411, 435009, 1786249, 3335069, 5358747, 8225981, 10005207, 24677943, 189197563, 304361297, 567592689, 913083891, 7000309831, 21000929493]

約数ペア:

[(1, 21000929493), (3, 7000309831), (23, 913083891), (37, 567592689), (69, 304361297), (111, 189197563), (851, 24677943), (2099, 10005207), (2553, 8225981), (3919, 5358747), (6297, 3335069), (11757, 1786249), (48277, 435009), (77663, 270411), (90137, 232989), (144831, 145003)]