21897210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{729907}}^1$

素因数の和:729917

約数の個数: 16

約数和(自身を含む): 52553376

約数和(自身を除く): 30656166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 729907, 1459814, 2189721, 3649535, 4379442, 7299070, 10948605, 21897210]

約数ペア:

[(1, 21897210), (2, 10948605), (3, 7299070), (5, 4379442), (6, 3649535), (10, 2189721), (15, 1459814), (30, 729907)]