21897870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42937}}^1$

素因数の和:42964

約数の個数: 32

約数和(自身を含む): 55647648

約数和(自身を除く): 33749778

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42937, 85874, 128811, 214685, 257622, 429370, 644055, 729929, 1288110, 1459858, 2189787, 3649645, 4379574, 7299290, 10948935, 21897870]

約数ペア:

[(1, 21897870), (2, 10948935), (3, 7299290), (5, 4379574), (6, 3649645), (10, 2189787), (15, 1459858), (17, 1288110), (30, 729929), (34, 644055), (51, 429370), (85, 257622), (102, 214685), (170, 128811), (255, 85874), (510, 42937)]