21571088

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17509}}^1$

素因数の和:17535

約数の個数: 40

約数和(自身を含む): 52109760

約数和(自身を除く): 30538672

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17509, 35018, 70036, 122563, 140072, 192599, 245126, 280144, 385198, 490252, 770396, 980504, 1348193, 1540792, 1961008, 2696386, 3081584, 5392772, 10785544, 21571088]

約数ペア:

[(1, 21571088), (2, 10785544), (4, 5392772), (7, 3081584), (8, 2696386), (11, 1961008), (14, 1540792), (16, 1348193), (22, 980504), (28, 770396), (44, 490252), (56, 385198), (77, 280144), (88, 245126), (112, 192599), (154, 140072), (176, 122563), (308, 70036), (616, 35018), (1232, 17509)]