21062048

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5531}}^1$

素因数の和:5565

約数の個数: 48

約数和(自身を含む): 50186304

約数和(自身を除く): 29124256

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, 5531, 11062, 22124, 38717, 44248, 77434, 88496, 94027, 154868, 176992, 188054, 309736, 376108, 619472, 658189, 752216, 1238944, 1316378, 1504432, 2632756, 3008864, 5265512, 10531024, 21062048]

約数ペア:

[(1, 21062048), (2, 10531024), (4, 5265512), (7, 3008864), (8, 2632756), (14, 1504432), (16, 1316378), (17, 1238944), (28, 752216), (32, 658189), (34, 619472), (56, 376108), (68, 309736), (112, 188054), (119, 176992), (136, 154868), (224, 94027), (238, 88496), (272, 77434), (476, 44248), (544, 38717), (952, 22124), (1904, 11062), (3808, 5531)]