21177684

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53479}}^1$

素因数の和:53500

約数の個数: 36

約数和(自身を含む): 58400160

約数和(自身を除く): 37222476

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 53479, 106958, 160437, 213916, 320874, 481311, 588269, 641748, 962622, 1176538, 1764807, 1925244, 2353076, 3529614, 5294421, 7059228, 10588842, 21177684]

約数ペア:

[(1, 21177684), (2, 10588842), (3, 7059228), (4, 5294421), (6, 3529614), (9, 2353076), (11, 1925244), (12, 1764807), (18, 1176538), (22, 962622), (33, 641748), (36, 588269), (44, 481311), (66, 320874), (99, 213916), (132, 160437), (198, 106958), (396, 53479)]