21807367065

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1\times {\mathrm{863}}^1$

素因数の和:1675

約数の個数: 96

約数和(自身を含む): 41923215360

約数和(自身を除く): 20115848295

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 71, 99, 165, 213, 355, 495, 639, 719, 781, 863, 1065, 2157, 2343, 2589, 3195, 3595, 3905, 4315, 6471, 7029, 7767, 7909, 9493, 10785, 11715, 12945, 23727, 28479, 32355, 35145, 38835, 39545, 47465, 51049, 61273, 71181, 85437, 118635, 142395, 153147, 183819, 255245, 306365, 355905, 427185, 459441, 551457, 561539, 620497, 674003, 765735, 919095, 1684617, 1861491, 2022009, 2297205, 2757285, 2807695, 3102485, 3370015, 5053851, 5584473, 6066027, 6825467, 8423085, 9307455, 10110045, 20476401, 25269255, 27922365, 30330135, 34127335, 44055287, 61429203, 102382005, 132165861, 220276435, 307146015, 396497583, 484608157, 660829305, 1453824471, 1982487915, 2423040785, 4361473413, 7269122355, 21807367065]

約数ペア:

[(1, 21807367065), (3, 7269122355), (5, 4361473413), (9, 2423040785), (11, 1982487915), (15, 1453824471), (33, 660829305), (45, 484608157), (55, 396497583), (71, 307146015), (99, 220276435), (165, 132165861), (213, 102382005), (355, 61429203), (495, 44055287), (639, 34127335), (719, 30330135), (781, 27922365), (863, 25269255), (1065, 20476401), (2157, 10110045), (2343, 9307455), (2589, 8423085), (3195, 6825467), (3595, 6066027), (3905, 5584473), (4315, 5053851), (6471, 3370015), (7029, 3102485), (7767, 2807695), (7909, 2757285), (9493, 2297205), (10785, 2022009), (11715, 1861491), (12945, 1684617), (23727, 919095), (28479, 765735), (32355, 674003), (35145, 620497), (38835, 561539), (39545, 551457), (47465, 459441), (51049, 427185), (61273, 355905), (71181, 306365), (85437, 255245), (118635, 183819), (142395, 153147)]