21159.00000000

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{434501}}^1$

素因数の和:434530

約数の個数: 16

約数和(自身を含む): 156420720

約数和(自身を除く): 76472536

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 434501, 869002, 1738004, 3476008, 9993523, 19987046, 39974092, 79948184]

約数ペア:

[(1, 79948184), (2, 39974092), (4, 19987046), (8, 9993523), (23, 3476008), (46, 1738004), (92, 869002), (184, 434501)]