21020288

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{1693}}^1$

素因数の和:1804

約数の個数: 32

約数和(自身を含む): 42333060

約数和(自身を除く): 21312772

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 388, 776, 1552, 1693, 3104, 3386, 6208, 6772, 12416, 13544, 27088, 54176, 108352, 164221, 216704, 328442, 656884, 1313768, 2627536, 5255072, 10510144, 21020288]

約数ペア:

[(1, 21020288), (2, 10510144), (4, 5255072), (8, 2627536), (16, 1313768), (32, 656884), (64, 328442), (97, 216704), (128, 164221), (194, 108352), (388, 54176), (776, 27088), (1552, 13544), (1693, 12416), (3104, 6772), (3386, 6208)]