21787756874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{159223}}^1$

素因数の和:159534

約数の個数: 32

約数和(自身を含む): 37181988480

約数和(自身を除く): 15394231606

約数列:

[1, 2, 13, 19, 26, 38, 247, 277, 494, 554, 3601, 5263, 7202, 10526, 68419, 136838, 159223, 318446, 2069899, 3025237, 4139798, 6050474, 39328081, 44104771, 78656162, 88209542, 573362023, 837990649, 1146724046, 1675981298, 10893878437, 21787756874]

約数ペア:

[(1, 21787756874), (2, 10893878437), (13, 1675981298), (19, 1146724046), (26, 837990649), (38, 573362023), (247, 88209542), (277, 78656162), (494, 44104771), (554, 39328081), (3601, 6050474), (5263, 4139798), (7202, 3025237), (10526, 2069899), (68419, 318446), (136838, 159223)]