21799211

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 25657344

約数和(自身を除く): 3858133

約数列:

[1, 7, 47, 173, 329, 383, 1211, 2681, 8131, 18001, 56917, 66259, 126007, 463813, 3114173, 21799211]

約数ペア:

[(1, 21799211), (7, 3114173), (47, 463813), (173, 126007), (329, 66259), (383, 56917), (1211, 18001), (2681, 8131)]