21700864

素因数分解:

$2^8\times {\mathrm{103}}^1\times {\mathrm{823}}^1$

素因数の和:942

約数の個数: 36

約数和(自身を含む): 43790656

約数和(自身を除く): 22089792

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 256, 412, 823, 824, 1646, 1648, 3292, 3296, 6584, 6592, 13168, 13184, 26336, 26368, 52672, 84769, 105344, 169538, 210688, 339076, 678152, 1356304, 2712608, 5425216, 10850432, 21700864]

約数ペア:

[(1, 21700864), (2, 10850432), (4, 5425216), (8, 2712608), (16, 1356304), (32, 678152), (64, 339076), (103, 210688), (128, 169538), (206, 105344), (256, 84769), (412, 52672), (823, 26368), (824, 26336), (1646, 13184), (1648, 13168), (3292, 6592), (3296, 6584)]