21483860

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3499}}^1$

素因数の和:3815

約数の個数: 24

約数和(自身を含む): 45276000

約数和(自身を除く): 23792140

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 3499, 6140, 6998, 13996, 17495, 34990, 69980, 1074193, 2148386, 4296772, 5370965, 10741930, 21483860]

約数ペア:

[(1, 21483860), (2, 10741930), (4, 5370965), (5, 4296772), (10, 2148386), (20, 1074193), (307, 69980), (614, 34990), (1228, 17495), (1535, 13996), (3070, 6998), (3499, 6140)]