21895256

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{63649}}^1$

素因数の和:63698

約数の個数: 16

約数和(自身を含む): 42009000

約数和(自身を除く): 20113744

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 63649, 127298, 254596, 509192, 2736907, 5473814, 10947628, 21895256]

約数ペア:

[(1, 21895256), (2, 10947628), (4, 5473814), (8, 2736907), (43, 509192), (86, 254596), (172, 127298), (344, 63649)]