21018624

素因数分解:

$2^{11}\times 3^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 61326720

約数和(自身を除く): 40308096

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 311, 352, 384, 512, 528, 622, 704, 768, 933, 1024, 1056, 1244, 1408, 1536, 1866, 2048, 2112, 2488, 2816, 3072, 3421, 3732, 4224, 4976, 5632, 6144, 6842, 7464, 8448, 9952, 10263, 11264, 13684, 14928, 16896, 19904, 20526, 22528, 27368, 29856, 33792, 39808, 41052, 54736, 59712, 67584, 79616, 82104, 109472, 119424, 159232, 164208, 218944, 238848, 318464, 328416, 437888, 477696, 636928, 656832, 875776, 955392, 1313664, 1751552, 1910784, 2627328, 3503104, 5254656, 7006208, 10509312, 21018624]

約数ペア:

[(1, 21018624), (2, 10509312), (3, 7006208), (4, 5254656), (6, 3503104), (8, 2627328), (11, 1910784), (12, 1751552), (16, 1313664), (22, 955392), (24, 875776), (32, 656832), (33, 636928), (44, 477696), (48, 437888), (64, 328416), (66, 318464), (88, 238848), (96, 218944), (128, 164208), (132, 159232), (176, 119424), (192, 109472), (256, 82104), (264, 79616), (311, 67584), (352, 59712), (384, 54736), (512, 41052), (528, 39808), (622, 33792), (704, 29856), (768, 27368), (933, 22528), (1024, 20526), (1056, 19904), (1244, 16896), (1408, 14928), (1536, 13684), (1866, 11264), (2048, 10263), (2112, 9952), (2488, 8448), (2816, 7464), (3072, 6842), (3421, 6144), (3732, 5632), (4224, 4976)]