21280270488

素因数分解:

$2^3\times 3^1\times {\mathrm{263}}^1\times {\mathrm{3371399}}^1$

素因数の和:3371671

約数の個数: 32

約数和(自身を含む): 53402976000

約数和(自身を除く): 32122705512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 263, 526, 789, 1052, 1578, 2104, 3156, 6312, 3371399, 6742798, 10114197, 13485596, 20228394, 26971192, 40456788, 80913576, 886677937, 1773355874, 2660033811, 3546711748, 5320067622, 7093423496, 10640135244, 21280270488]

約数ペア:

[(1, 21280270488), (2, 10640135244), (3, 7093423496), (4, 5320067622), (6, 3546711748), (8, 2660033811), (12, 1773355874), (24, 886677937), (263, 80913576), (526, 40456788), (789, 26971192), (1052, 20228394), (1578, 13485596), (2104, 10114197), (3156, 6742798), (6312, 3371399)]