21779296

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8839}}^1$

素因数の和:8867

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 31685024

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8839, 17678, 35356, 61873, 70712, 97229, 123746, 141424, 194458, 247492, 282848, 388916, 494984, 680603, 777832, 989968, 1361206, 1555664, 1979936, 2722412, 3111328, 5444824, 10889648, 21779296]

約数ペア:

[(1, 21779296), (2, 10889648), (4, 5444824), (7, 3111328), (8, 2722412), (11, 1979936), (14, 1555664), (16, 1361206), (22, 989968), (28, 777832), (32, 680603), (44, 494984), (56, 388916), (77, 282848), (88, 247492), (112, 194458), (154, 141424), (176, 123746), (224, 97229), (308, 70712), (352, 61873), (616, 35356), (1232, 17678), (2464, 8839)]