21125004

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{42937}}^1$

素因数の和:42985

約数の個数: 24

約数和(自身を含む): 50495088

約数和(自身を除く): 29370084

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 42937, 85874, 128811, 171748, 257622, 515244, 1760417, 3520834, 5281251, 7041668, 10562502, 21125004]

約数ペア:

[(1, 21125004), (2, 10562502), (3, 7041668), (4, 5281251), (6, 3520834), (12, 1760417), (41, 515244), (82, 257622), (123, 171748), (164, 128811), (246, 85874), (492, 42937)]