21040373757

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{21739}}^1$

素因数の和:21874

約数の個数: 48

約数和(自身を含む): 32081978880

約数和(自身を除く): 11041605123

約数列:

[1, 3, 13, 23, 39, 69, 83, 169, 249, 299, 507, 897, 1079, 1909, 3237, 3887, 5727, 11661, 14027, 21739, 24817, 42081, 65217, 74451, 282607, 322621, 499997, 847821, 967863, 1499991, 1804337, 3673891, 5413011, 6499961, 11021673, 19499883, 23456381, 41499751, 70369143, 84499493, 124499253, 253498479, 304932953, 539496763, 914798859, 1618490289, 7013457919, 21040373757]

約数ペア:

[(1, 21040373757), (3, 7013457919), (13, 1618490289), (23, 914798859), (39, 539496763), (69, 304932953), (83, 253498479), (169, 124499253), (249, 84499493), (299, 70369143), (507, 41499751), (897, 23456381), (1079, 19499883), (1909, 11021673), (3237, 6499961), (3887, 5413011), (5727, 3673891), (11661, 1804337), (14027, 1499991), (21739, 967863), (24817, 847821), (42081, 499997), (65217, 322621), (74451, 282607)]