21342712

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{601}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 42043680

約数和(自身を除く): 20700968

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 193, 386, 601, 772, 1202, 1544, 2404, 4439, 4808, 8878, 13823, 17756, 27646, 35512, 55292, 110584, 115993, 231986, 463972, 927944, 2667839, 5335678, 10671356, 21342712]

約数ペア:

[(1, 21342712), (2, 10671356), (4, 5335678), (8, 2667839), (23, 927944), (46, 463972), (92, 231986), (184, 115993), (193, 110584), (386, 55292), (601, 35512), (772, 27646), (1202, 17756), (1544, 13823), (2404, 8878), (4439, 4808)]