21816903

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{10903}}^1$

素因数の和:10958

約数の個数: 16

約数和(自身を含む): 31403520

約数和(自身を除く): 9586617

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 10903, 32709, 250769, 316187, 752307, 948561, 7272301, 21816903]

約数ペア:

[(1, 21816903), (3, 7272301), (23, 948561), (29, 752307), (69, 316187), (87, 250769), (667, 32709), (2001, 10903)]