20211048963

素因数分解:

$3^8\times 7^4\times {\mathrm{1283}}^1$

素因数の和:1335

約数の個数: 90

約数和(自身を含む): 35392999044

約数和(自身を除く): 15181950081

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 343, 441, 567, 729, 1029, 1283, 1323, 1701, 2187, 2401, 3087, 3849, 3969, 5103, 6561, 7203, 8981, 9261, 11547, 11907, 15309, 21609, 26943, 27783, 34641, 35721, 45927, 62867, 64827, 80829, 83349, 103923, 107163, 188601, 194481, 242487, 250047, 311769, 321489, 440069, 565803, 583443, 727461, 750141, 935307, 1320207, 1697409, 1750329, 2182383, 2250423, 2805921, 3080483, 3960621, 5092227, 5250987, 6547149, 8417763, 9241449, 11881863, 15276681, 15752961, 19641447, 27724347, 35645589, 45830043, 58924341, 83173041, 106936767, 137490129, 249519123, 320810301, 412470387, 748557369, 962430903, 2245672107, 2887292709, 6737016321, 20211048963]

約数ペア:

[(1, 20211048963), (3, 6737016321), (7, 2887292709), (9, 2245672107), (21, 962430903), (27, 748557369), (49, 412470387), (63, 320810301), (81, 249519123), (147, 137490129), (189, 106936767), (243, 83173041), (343, 58924341), (441, 45830043), (567, 35645589), (729, 27724347), (1029, 19641447), (1283, 15752961), (1323, 15276681), (1701, 11881863), (2187, 9241449), (2401, 8417763), (3087, 6547149), (3849, 5250987), (3969, 5092227), (5103, 3960621), (6561, 3080483), (7203, 2805921), (8981, 2250423), (9261, 2182383), (11547, 1750329), (11907, 1697409), (15309, 1320207), (21609, 935307), (26943, 750141), (27783, 727461), (34641, 583443), (35721, 565803), (45927, 440069), (62867, 321489), (64827, 311769), (80829, 250047), (83349, 242487), (103923, 194481), (107163, 188601)]