21912675759

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{601}}^1\times {\mathrm{797}}^1$

素因数の和:1457

約数の個数: 96

約数和(自身を含む): 37770655104

約数和(自身を除く): 15857979345

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 391, 601, 663, 797, 897, 1173, 1803, 1989, 2391, 2691, 3519, 5083, 5409, 7173, 7813, 10217, 10361, 13549, 13823, 15249, 18331, 23439, 30651, 31083, 40647, 41469, 45747, 54993, 70317, 91953, 93249, 121941, 124407, 132821, 164979, 176137, 179699, 234991, 238303, 311627, 398463, 478997, 528411, 539097, 704973, 714909, 934881, 1195389, 1436991, 1585233, 1617291, 2114919, 2144727, 2804643, 3054883, 4051151, 4310973, 6226961, 8142949, 9164649, 11016931, 12153453, 18680883, 24428847, 27493947, 33050793, 36460359, 56042649, 73286541, 99152379, 105858337, 143220103, 187287827, 317575011, 429660309, 561863481, 952725033, 1288980927, 1685590443, 2434741751, 7304225253, 21912675759]

約数ペア:

[(1, 21912675759), (3, 7304225253), (9, 2434741751), (13, 1685590443), (17, 1288980927), (23, 952725033), (39, 561863481), (51, 429660309), (69, 317575011), (117, 187287827), (153, 143220103), (207, 105858337), (221, 99152379), (299, 73286541), (391, 56042649), (601, 36460359), (663, 33050793), (797, 27493947), (897, 24428847), (1173, 18680883), (1803, 12153453), (1989, 11016931), (2391, 9164649), (2691, 8142949), (3519, 6226961), (5083, 4310973), (5409, 4051151), (7173, 3054883), (7813, 2804643), (10217, 2144727), (10361, 2114919), (13549, 1617291), (13823, 1585233), (15249, 1436991), (18331, 1195389), (23439, 934881), (30651, 714909), (31083, 704973), (40647, 539097), (41469, 528411), (45747, 478997), (54993, 398463), (70317, 311627), (91953, 238303), (93249, 234991), (121941, 179699), (124407, 176137), (132821, 164979)]