21292986

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 53125632

約数和(自身を除く): 31832646

約数列:

[1, 2, 3, 6, 11, 13, 22, 23, 26, 33, 39, 46, 66, 69, 78, 83, 138, 143, 166, 169, 249, 253, 286, 299, 338, 429, 498, 506, 507, 598, 759, 858, 897, 913, 1014, 1079, 1518, 1794, 1826, 1859, 1909, 2158, 2739, 3237, 3289, 3718, 3818, 3887, 5478, 5577, 5727, 6474, 6578, 7774, 9867, 11154, 11454, 11661, 11869, 14027, 19734, 20999, 23322, 23738, 24817, 28054, 35607, 41998, 42081, 42757, 49634, 62997, 71214, 74451, 84162, 85514, 125994, 128271, 148902, 154297, 256542, 272987, 308594, 322621, 462891, 545974, 645242, 818961, 925782, 967863, 1637922, 1935726, 3548831, 7097662, 10646493, 21292986]

約数ペア:

[(1, 21292986), (2, 10646493), (3, 7097662), (6, 3548831), (11, 1935726), (13, 1637922), (22, 967863), (23, 925782), (26, 818961), (33, 645242), (39, 545974), (46, 462891), (66, 322621), (69, 308594), (78, 272987), (83, 256542), (138, 154297), (143, 148902), (166, 128271), (169, 125994), (249, 85514), (253, 84162), (286, 74451), (299, 71214), (338, 62997), (429, 49634), (498, 42757), (506, 42081), (507, 41998), (598, 35607), (759, 28054), (858, 24817), (897, 23738), (913, 23322), (1014, 20999), (1079, 19734), (1518, 14027), (1794, 11869), (1826, 11661), (1859, 11454), (1909, 11154), (2158, 9867), (2739, 7774), (3237, 6578), (3289, 6474), (3718, 5727), (3818, 5577), (3887, 5478)]