2021067544

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{20551}}^1$

素因数の和:21223

約数の個数: 32

約数和(自身を含む): 3995308800

約数和(自身を除く): 1974241256

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 647, 1294, 2588, 5176, 12293, 20551, 24586, 41102, 49172, 82204, 98344, 164408, 390469, 780938, 1561876, 3123752, 13296497, 26592994, 53185988, 106371976, 252633443, 505266886, 1010533772, 2021067544]

約数ペア:

[(1, 2021067544), (2, 1010533772), (4, 505266886), (8, 252633443), (19, 106371976), (38, 53185988), (76, 26592994), (152, 13296497), (647, 3123752), (1294, 1561876), (2588, 780938), (5176, 390469), (12293, 164408), (20551, 98344), (24586, 82204), (41102, 49172)]