21390948

素因数分解:

$2^2\times 3^2\times {\mathrm{594193}}^1$

素因数の和:594203

約数の個数: 18

約数和(自身を含む): 54071654

約数和(自身を除く): 32680706

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 594193, 1188386, 1782579, 2376772, 3565158, 5347737, 7130316, 10695474, 21390948]

約数ペア:

[(1, 21390948), (2, 10695474), (3, 7130316), (4, 5347737), (6, 3565158), (9, 2376772), (12, 1782579), (18, 1188386), (36, 594193)]