21336494

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 34670592

約数和(自身を除く): 13334098

約数列:

[1, 2, 31, 37, 62, 71, 74, 131, 142, 262, 1147, 2201, 2294, 2627, 4061, 4402, 4847, 5254, 8122, 9301, 9694, 18602, 81437, 150257, 162874, 288331, 300514, 344137, 576662, 688274, 10668247, 21336494]

約数ペア:

[(1, 21336494), (2, 10668247), (31, 688274), (37, 576662), (62, 344137), (71, 300514), (74, 288331), (131, 162874), (142, 150257), (262, 81437), (1147, 18602), (2201, 9694), (2294, 9301), (2627, 8122), (4061, 5254), (4402, 4847)]