21082488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1873}}^1$

素因数の和:1956

約数の個数: 64

約数和(自身を含む): 61167360

約数和(自身を除く): 40084872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 67, 84, 134, 168, 201, 268, 402, 469, 536, 804, 938, 1407, 1608, 1873, 1876, 2814, 3746, 3752, 5619, 5628, 7492, 11238, 11256, 13111, 14984, 22476, 26222, 39333, 44952, 52444, 78666, 104888, 125491, 157332, 250982, 314664, 376473, 501964, 752946, 878437, 1003928, 1505892, 1756874, 2635311, 3011784, 3513748, 5270622, 7027496, 10541244, 21082488]

約数ペア:

[(1, 21082488), (2, 10541244), (3, 7027496), (4, 5270622), (6, 3513748), (7, 3011784), (8, 2635311), (12, 1756874), (14, 1505892), (21, 1003928), (24, 878437), (28, 752946), (42, 501964), (56, 376473), (67, 314664), (84, 250982), (134, 157332), (168, 125491), (201, 104888), (268, 78666), (402, 52444), (469, 44952), (536, 39333), (804, 26222), (938, 22476), (1407, 14984), (1608, 13111), (1873, 11256), (1876, 11238), (2814, 7492), (3746, 5628), (3752, 5619)]