21962192

素因数分解:

$2^4\times 7^2\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:388

約数の個数: 60

約数和(自身を含む): 50147460

約数和(自身を除く): 28185268

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 109, 112, 196, 218, 257, 392, 436, 514, 763, 784, 872, 1028, 1526, 1744, 1799, 2056, 3052, 3598, 4112, 5341, 6104, 7196, 10682, 12208, 12593, 14392, 21364, 25186, 28013, 28784, 42728, 50372, 56026, 85456, 100744, 112052, 196091, 201488, 224104, 392182, 448208, 784364, 1372637, 1568728, 2745274, 3137456, 5490548, 10981096, 21962192]

約数ペア:

[(1, 21962192), (2, 10981096), (4, 5490548), (7, 3137456), (8, 2745274), (14, 1568728), (16, 1372637), (28, 784364), (49, 448208), (56, 392182), (98, 224104), (109, 201488), (112, 196091), (196, 112052), (218, 100744), (257, 85456), (392, 56026), (436, 50372), (514, 42728), (763, 28784), (784, 28013), (872, 25186), (1028, 21364), (1526, 14392), (1744, 12593), (1799, 12208), (2056, 10682), (3052, 7196), (3598, 6104), (4112, 5341)]