21800485

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10211}}^1$

素因数の和:10284

約数の個数: 16

約数和(自身を含む): 30390912

約数和(自身を除く): 8590427

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 10211, 51055, 71477, 357385, 622871, 3114355, 4360097, 21800485]

約数ペア:

[(1, 21800485), (5, 4360097), (7, 3114355), (35, 622871), (61, 357385), (305, 71477), (427, 51055), (2135, 10211)]