21140238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{503339}}^1$

素因数の和:503351

約数の個数: 16

約数和(自身を含む): 48320640

約数和(自身を除く): 27180402

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 503339, 1006678, 1510017, 3020034, 3523373, 7046746, 10570119, 21140238]

約数ペア:

[(1, 21140238), (2, 10570119), (3, 7046746), (6, 3523373), (7, 3020034), (14, 1510017), (21, 1006678), (42, 503339)]