21839818

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10909}}^1$

素因数の和:10942

約数の個数: 32

約数和(自身を含む): 43989120

約数和(自身を除く): 22149302

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 10909, 21818, 76363, 119999, 141817, 152726, 239998, 283634, 839993, 992719, 1559987, 1679986, 1985438, 3119974, 10919909, 21839818]

約数ペア:

[(1, 21839818), (2, 10919909), (7, 3119974), (11, 1985438), (13, 1679986), (14, 1559987), (22, 992719), (26, 839993), (77, 283634), (91, 239998), (143, 152726), (154, 141817), (182, 119999), (286, 76363), (1001, 21818), (2002, 10909)]