21286656

素因数分解:

$2^8\times 3^2\times {\mathrm{9239}}^1$

素因数の和:9261

約数の個数: 54

約数和(自身を含む): 61381320

約数和(自身を除く): 40094664

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, 9239, 18478, 27717, 36956, 55434, 73912, 83151, 110868, 147824, 166302, 221736, 295648, 332604, 443472, 591296, 665208, 886944, 1182592, 1330416, 1773888, 2365184, 2660832, 3547776, 5321664, 7095552, 10643328, 21286656]

約数ペア:

[(1, 21286656), (2, 10643328), (3, 7095552), (4, 5321664), (6, 3547776), (8, 2660832), (9, 2365184), (12, 1773888), (16, 1330416), (18, 1182592), (24, 886944), (32, 665208), (36, 591296), (48, 443472), (64, 332604), (72, 295648), (96, 221736), (128, 166302), (144, 147824), (192, 110868), (256, 83151), (288, 73912), (384, 55434), (576, 36956), (768, 27717), (1152, 18478), (2304, 9239)]