21992180336

素因数分解:

$2^4\times 7^1\times {\mathrm{2857}}^1\times {\mathrm{68729}}^1$

素因数の和:71601

約数の個数: 40

約数和(自身を含む): 48714724320

約数和(自身を除く): 26722543984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2857, 5714, 11428, 19999, 22856, 39998, 45712, 68729, 79996, 137458, 159992, 274916, 319984, 481103, 549832, 962206, 1099664, 1924412, 3848824, 7697648, 196358753, 392717506, 785435012, 1374511271, 1570870024, 2749022542, 3141740048, 5498045084, 10996090168, 21992180336]

約数ペア:

[(1, 21992180336), (2, 10996090168), (4, 5498045084), (7, 3141740048), (8, 2749022542), (14, 1570870024), (16, 1374511271), (28, 785435012), (56, 392717506), (112, 196358753), (2857, 7697648), (5714, 3848824), (11428, 1924412), (19999, 1099664), (22856, 962206), (39998, 549832), (45712, 481103), (68729, 319984), (79996, 274916), (137458, 159992)]