21104594774

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{1913}}^1$

素因数の和:2145

約数の個数: 64

約数和(自身を含む): 34978426560

約数和(自身を除く): 13873831786

約数列:

[1, 2, 19, 38, 41, 73, 82, 97, 146, 194, 779, 1387, 1558, 1843, 1913, 2774, 2993, 3686, 3826, 3977, 5986, 7081, 7954, 14162, 36347, 56867, 72694, 75563, 78433, 113734, 134539, 139649, 151126, 156866, 185561, 269078, 279298, 290321, 371122, 580642, 1490227, 2653331, 2980454, 3525659, 5306662, 5516099, 5725609, 7051318, 7608001, 11032198, 11451218, 13545953, 15216002, 27091906, 108786571, 144552019, 217573142, 257373107, 289104038, 514746214, 555384073, 1110768146, 10552297387, 21104594774]

約数ペア:

[(1, 21104594774), (2, 10552297387), (19, 1110768146), (38, 555384073), (41, 514746214), (73, 289104038), (82, 257373107), (97, 217573142), (146, 144552019), (194, 108786571), (779, 27091906), (1387, 15216002), (1558, 13545953), (1843, 11451218), (1913, 11032198), (2774, 7608001), (2993, 7051318), (3686, 5725609), (3826, 5516099), (3977, 5306662), (5986, 3525659), (7081, 2980454), (7954, 2653331), (14162, 1490227), (36347, 580642), (56867, 371122), (72694, 290321), (75563, 279298), (78433, 269078), (113734, 185561), (134539, 156866), (139649, 151126)]