21452552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{563}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 44059680

約数和(自身を除く): 22607128

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 433, 563, 866, 1126, 1732, 2252, 3464, 4504, 4763, 6193, 9526, 12386, 19052, 24772, 38104, 49544, 243779, 487558, 975116, 1950232, 2681569, 5363138, 10726276, 21452552]

約数ペア:

[(1, 21452552), (2, 10726276), (4, 5363138), (8, 2681569), (11, 1950232), (22, 975116), (44, 487558), (88, 243779), (433, 49544), (563, 38104), (866, 24772), (1126, 19052), (1732, 12386), (2252, 9526), (3464, 6193), (4504, 4763)]