21348026

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{7027}}^1$

素因数の和:7074

約数の個数: 24

約数和(自身を含む): 38457216

約数和(自身を除く): 17109190

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 7027, 14054, 49189, 98378, 217837, 344323, 435674, 688646, 1524859, 3049718, 10674013, 21348026]

約数ペア:

[(1, 21348026), (2, 10674013), (7, 3049718), (14, 1524859), (31, 688646), (49, 435674), (62, 344323), (98, 217837), (217, 98378), (434, 49189), (1519, 14054), (3038, 7027)]