21138448

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45557}}^1$

素因数の和:45594

約数の個数: 20

約数和(自身を含む): 42368940

約数和(自身を除く): 21230492

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45557, 91114, 182228, 364456, 728912, 1321153, 2642306, 5284612, 10569224, 21138448]

約数ペア:

[(1, 21138448), (2, 10569224), (4, 5284612), (8, 2642306), (16, 1321153), (29, 728912), (58, 364456), (116, 182228), (232, 91114), (464, 45557)]