21705984

素因数分解:

$2^8\times 3^2\times {\mathrm{9421}}^1$

素因数の和:9443

約数の個数: 54

約数和(自身を含む): 62590346

約数和(自身を除く): 40884362

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 9421, 18842, 28263, 37684, 56526, 75368, 84789, 113052, 150736, 169578, 226104, 301472, 339156, 452208, 602944, 678312, 904416, 1205888, 1356624, 1808832, 2411776, 2713248, 3617664, 5426496, 7235328, 10852992, 21705984]

約数ペア:

[(1, 21705984), (2, 10852992), (3, 7235328), (4, 5426496), (6, 3617664), (8, 2713248), (9, 2411776), (12, 1808832), (16, 1356624), (18, 1205888), (24, 904416), (32, 678312), (36, 602944), (48, 452208), (64, 339156), (72, 301472), (96, 226104), (128, 169578), (144, 150736), (192, 113052), (256, 84789), (288, 75368), (384, 56526), (576, 37684), (768, 28263), (1152, 18842), (2304, 9421)]