21938294

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{7027}}^1$

素因数の和:7259

約数の個数: 16

約数和(自身を含む): 37782528

約数和(自身を除く): 15844234

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 7027, 14054, 49189, 98378, 1567021, 3134042, 10969147, 21938294]

約数ペア:

[(1, 21938294), (2, 10969147), (7, 3134042), (14, 1567021), (223, 98378), (446, 49189), (1561, 14054), (3122, 7027)]