21925568

素因数分解:

$2^6\times 7^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:577

約数の個数: 56

約数和(自身を含む): 50292000

約数和(自身を除く): 28366432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 218, 224, 436, 448, 449, 763, 872, 898, 1526, 1744, 1796, 3052, 3143, 3488, 3592, 6104, 6286, 6976, 7184, 12208, 12572, 14368, 24416, 25144, 28736, 48832, 48941, 50288, 97882, 100576, 195764, 201152, 342587, 391528, 685174, 783056, 1370348, 1566112, 2740696, 3132224, 5481392, 10962784, 21925568]

約数ペア:

[(1, 21925568), (2, 10962784), (4, 5481392), (7, 3132224), (8, 2740696), (14, 1566112), (16, 1370348), (28, 783056), (32, 685174), (56, 391528), (64, 342587), (109, 201152), (112, 195764), (218, 100576), (224, 97882), (436, 50288), (448, 48941), (449, 48832), (763, 28736), (872, 25144), (898, 24416), (1526, 14368), (1744, 12572), (1796, 12208), (3052, 7184), (3143, 6976), (3488, 6286), (3592, 6104)]