21678162

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^2$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 50442912

約数和(自身を除く): 28764750

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 139, 187, 278, 374, 417, 561, 834, 1122, 1529, 2363, 3058, 4587, 4726, 7089, 9174, 14178, 19321, 25993, 38642, 51986, 57963, 77979, 115926, 155958, 212531, 328457, 425062, 637593, 656914, 985371, 1275186, 1970742, 3613027, 7226054, 10839081, 21678162]

約数ペア:

[(1, 21678162), (2, 10839081), (3, 7226054), (6, 3613027), (11, 1970742), (17, 1275186), (22, 985371), (33, 656914), (34, 637593), (51, 425062), (66, 328457), (102, 212531), (139, 155958), (187, 115926), (278, 77979), (374, 57963), (417, 51986), (561, 38642), (834, 25993), (1122, 19321), (1529, 14178), (2363, 9174), (3058, 7089), (4587, 4726)]