21071328

素因数分解:

$2^5\times 3^1\times {\mathrm{103}}^1\times {\mathrm{2131}}^1$

素因数の和:2247

約数の個数: 48

約数和(自身を含む): 55875456

約数和(自身を除く): 34804128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 103, 206, 309, 412, 618, 824, 1236, 1648, 2131, 2472, 3296, 4262, 4944, 6393, 8524, 9888, 12786, 17048, 25572, 34096, 51144, 68192, 102288, 204576, 219493, 438986, 658479, 877972, 1316958, 1755944, 2633916, 3511888, 5267832, 7023776, 10535664, 21071328]

約数ペア:

[(1, 21071328), (2, 10535664), (3, 7023776), (4, 5267832), (6, 3511888), (8, 2633916), (12, 1755944), (16, 1316958), (24, 877972), (32, 658479), (48, 438986), (96, 219493), (103, 204576), (206, 102288), (309, 68192), (412, 51144), (618, 34096), (824, 25572), (1236, 17048), (1648, 12786), (2131, 9888), (2472, 8524), (3296, 6393), (4262, 4944)]