21678944

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5693}}^1$

素因数の和:5727

約数の個数: 48

約数和(自身を含む): 51655968

約数和(自身を除く): 29977024

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 5693, 11386, 22772, 39851, 45544, 79702, 91088, 96781, 159404, 182176, 193562, 318808, 387124, 637616, 677467, 774248, 1275232, 1354934, 1548496, 2709868, 3096992, 5419736, 10839472, 21678944]

約数ペア:

[(1, 21678944), (2, 10839472), (4, 5419736), (7, 3096992), (8, 2709868), (14, 1548496), (16, 1354934), (17, 1275232), (28, 774248), (32, 677467), (34, 637616), (56, 387124), (68, 318808), (112, 193562), (119, 182176), (136, 159404), (224, 96781), (238, 91088), (272, 79702), (476, 45544), (544, 39851), (952, 22772), (1904, 11386), (3808, 5693)]