21121574992

素因数分解:

$2^4\times 7^1\times {\mathrm{8467}}^1\times {\mathrm{22273}}^1$

素因数の和:30755

約数の個数: 40

約数和(自身を含む): 46776825536

約数和(自身を除く): 25655250544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 8467, 16934, 22273, 33868, 44546, 59269, 67736, 89092, 118538, 135472, 155911, 178184, 237076, 311822, 356368, 474152, 623644, 948304, 1247288, 2494576, 188585491, 377170982, 754341964, 1320098437, 1508683928, 2640196874, 3017367856, 5280393748, 10560787496, 21121574992]

約数ペア:

[(1, 21121574992), (2, 10560787496), (4, 5280393748), (7, 3017367856), (8, 2640196874), (14, 1508683928), (16, 1320098437), (28, 754341964), (56, 377170982), (112, 188585491), (8467, 2494576), (16934, 1247288), (22273, 948304), (33868, 623644), (44546, 474152), (59269, 356368), (67736, 311822), (89092, 237076), (118538, 178184), (135472, 155911)]