21060162

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{1831}}^1$

素因数の和:1916

約数の個数: 40

約数和(自身を含む): 47881152

約数和(自身を除く): 26820990

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1831, 1917, 3662, 3834, 5493, 5751, 10986, 11502, 16479, 32958, 49437, 98874, 130001, 148311, 260002, 296622, 390003, 780006, 1170009, 2340018, 3510027, 7020054, 10530081, 21060162]

約数ペア:

[(1, 21060162), (2, 10530081), (3, 7020054), (6, 3510027), (9, 2340018), (18, 1170009), (27, 780006), (54, 390003), (71, 296622), (81, 260002), (142, 148311), (162, 130001), (213, 98874), (426, 49437), (639, 32958), (1278, 16479), (1831, 11502), (1917, 10986), (3662, 5751), (3834, 5493)]