21914312

素因数分解:

$2^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{797}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 47113920

約数和(自身を除く): 25199608

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 491, 797, 982, 1594, 1964, 3188, 3437, 3928, 5579, 6376, 6874, 11158, 13748, 22316, 27496, 44632, 391327, 782654, 1565308, 2739289, 3130616, 5478578, 10957156, 21914312]

約数ペア:

[(1, 21914312), (2, 10957156), (4, 5478578), (7, 3130616), (8, 2739289), (14, 1565308), (28, 782654), (56, 391327), (491, 44632), (797, 27496), (982, 22316), (1594, 13748), (1964, 11158), (3188, 6874), (3437, 6376), (3928, 5579)]