210317156

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{20807}}^1$

素因数の和:20856

約数の個数: 36

約数和(自身を含む): 443959488

約数和(自身を除く): 233642332

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 10108, 20807, 41614, 83228, 145649, 291298, 395333, 582596, 790666, 1581332, 2767331, 5534662, 7511327, 11069324, 15022654, 30045308, 52579289, 105158578, 210317156]

約数ペア:

[(1, 210317156), (2, 105158578), (4, 52579289), (7, 30045308), (14, 15022654), (19, 11069324), (28, 7511327), (38, 5534662), (76, 2767331), (133, 1581332), (266, 790666), (361, 582596), (532, 395333), (722, 291298), (1444, 145649), (2527, 83228), (5054, 41614), (10108, 20807)]