21000547686

素因数分解:

$2^1\times 3^1\times {\mathrm{719}}^1\times {\mathrm{4867999}}^1$

素因数の和:4868723

約数の個数: 16

約数和(自身を含む): 42059520000

約数和(自身を除く): 21058972314

約数列:

[1, 2, 3, 6, 719, 1438, 2157, 4314, 4867999, 9735998, 14603997, 29207994, 3500091281, 7000182562, 10500273843, 21000547686]

約数ペア:

[(1, 21000547686), (2, 10500273843), (3, 7000182562), (6, 3500091281), (719, 29207994), (1438, 14603997), (2157, 9735998), (4314, 4867999)]