21144256

素因数分解:

$2^6\times 7^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:561

約数の個数: 56

約数和(自身を含む): 48503840

約数和(自身を除く): 27359584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 218, 224, 433, 436, 448, 763, 866, 872, 1526, 1732, 1744, 3031, 3052, 3464, 3488, 6062, 6104, 6928, 6976, 12124, 12208, 13856, 24248, 24416, 27712, 47197, 48496, 48832, 94394, 96992, 188788, 193984, 330379, 377576, 660758, 755152, 1321516, 1510304, 2643032, 3020608, 5286064, 10572128, 21144256]

約数ペア:

[(1, 21144256), (2, 10572128), (4, 5286064), (7, 3020608), (8, 2643032), (14, 1510304), (16, 1321516), (28, 755152), (32, 660758), (56, 377576), (64, 330379), (109, 193984), (112, 188788), (218, 96992), (224, 94394), (433, 48832), (436, 48496), (448, 47197), (763, 27712), (866, 24416), (872, 24248), (1526, 13856), (1732, 12208), (1744, 12124), (3031, 6976), (3052, 6928), (3464, 6104), (3488, 6062)]