21107584

素因数分解:

$2^7\times {\mathrm{103}}^1\times {\mathrm{1601}}^1$

素因数の和:1718

約数の個数: 32

約数和(自身を含む): 42485040

約数和(自身を除く): 21377456

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 412, 824, 1601, 1648, 3202, 3296, 6404, 6592, 12808, 13184, 25616, 51232, 102464, 164903, 204928, 329806, 659612, 1319224, 2638448, 5276896, 10553792, 21107584]

約数ペア:

[(1, 21107584), (2, 10553792), (4, 5276896), (8, 2638448), (16, 1319224), (32, 659612), (64, 329806), (103, 204928), (128, 164903), (206, 102464), (412, 51232), (824, 25616), (1601, 13184), (1648, 12808), (3202, 6592), (3296, 6404)]