21000331752

素因数分解:

$2^3\times 3^1\times {\mathrm{863}}^1\times {\mathrm{1013921}}^1$

素因数の和:1014793

約数の個数: 32

約数和(自身を含む): 52561716480

約数和(自身を除く): 31561384728

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 863, 1726, 2589, 3452, 5178, 6904, 10356, 20712, 1013921, 2027842, 3041763, 4055684, 6083526, 8111368, 12167052, 24334104, 875013823, 1750027646, 2625041469, 3500055292, 5250082938, 7000110584, 10500165876, 21000331752]

約数ペア:

[(1, 21000331752), (2, 10500165876), (3, 7000110584), (4, 5250082938), (6, 3500055292), (8, 2625041469), (12, 1750027646), (24, 875013823), (863, 24334104), (1726, 12167052), (2589, 8111368), (3452, 6083526), (5178, 4055684), (6904, 3041763), (10356, 2027842), (20712, 1013921)]