21088040979

素因数分解:

$3^1\times {\mathrm{661}}^1\times {\mathrm{821}}^1\times {\mathrm{12953}}^1$

素因数の和:14438

約数の個数: 16

約数和(自身を含む): 28196401824

約数和(自身を除く): 7108360845

約数列:

[1, 3, 661, 821, 1983, 2463, 12953, 38859, 542681, 1628043, 8561933, 10634413, 25685799, 31903239, 7029346993, 21088040979]

約数ペア:

[(1, 21088040979), (3, 7029346993), (661, 31903239), (821, 25685799), (1983, 10634413), (2463, 8561933), (12953, 1628043), (38859, 542681)]