21512624

素因数分解:

$2^4\times 7^1\times {\mathrm{241}}^1\times {\mathrm{797}}^1$

素因数の和:1053

約数の個数: 40

約数和(自身を含む): 47892768

約数和(自身を除く): 26380144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 241, 482, 797, 964, 1594, 1687, 1928, 3188, 3374, 3856, 5579, 6376, 6748, 11158, 12752, 13496, 22316, 26992, 44632, 89264, 192077, 384154, 768308, 1344539, 1536616, 2689078, 3073232, 5378156, 10756312, 21512624]

約数ペア:

[(1, 21512624), (2, 10756312), (4, 5378156), (7, 3073232), (8, 2689078), (14, 1536616), (16, 1344539), (28, 768308), (56, 384154), (112, 192077), (241, 89264), (482, 44632), (797, 26992), (964, 22316), (1594, 13496), (1687, 12752), (1928, 11158), (3188, 6748), (3374, 6376), (3856, 5579)]