21127248

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{6379}}^1$

素因数の和:6416

約数の個数: 60

約数和(自身を含む): 61707360

約数和(自身を除く): 40580112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 6379, 12758, 19137, 25516, 38274, 51032, 57411, 76548, 102064, 114822, 146717, 153096, 229644, 293434, 306192, 440151, 459288, 586868, 880302, 918576, 1173736, 1320453, 1760604, 2347472, 2640906, 3521208, 5281812, 7042416, 10563624, 21127248]

約数ペア:

[(1, 21127248), (2, 10563624), (3, 7042416), (4, 5281812), (6, 3521208), (8, 2640906), (9, 2347472), (12, 1760604), (16, 1320453), (18, 1173736), (23, 918576), (24, 880302), (36, 586868), (46, 459288), (48, 440151), (69, 306192), (72, 293434), (92, 229644), (138, 153096), (144, 146717), (184, 114822), (207, 102064), (276, 76548), (368, 57411), (414, 51032), (552, 38274), (828, 25516), (1104, 19137), (1656, 12758), (3312, 6379)]