21668444

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10601}}^1$

素因数の和:10685

約数の個数: 24

約数和(自身を含む): 43934688

約数和(自身を除く): 22266244

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 10601, 21202, 42404, 74207, 148414, 296828, 773873, 1547746, 3095492, 5417111, 10834222, 21668444]

約数ペア:

[(1, 21668444), (2, 10834222), (4, 5417111), (7, 3095492), (14, 1547746), (28, 773873), (73, 296828), (146, 148414), (292, 74207), (511, 42404), (1022, 21202), (2044, 10601)]