21262554

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{9157}}^1$

素因数の和:9211

約数の個数: 32

約数和(自身を含む): 48354240

約数和(自身を除く): 27091686

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 9157, 18314, 27471, 54942, 82413, 164826, 247239, 393751, 494478, 787502, 1181253, 2362506, 3543759, 7087518, 10631277, 21262554]

約数ペア:

[(1, 21262554), (2, 10631277), (3, 7087518), (6, 3543759), (9, 2362506), (18, 1181253), (27, 787502), (43, 494478), (54, 393751), (86, 247239), (129, 164826), (258, 82413), (387, 54942), (774, 27471), (1161, 18314), (2322, 9157)]