21966416

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{6899}}^1$

素因数の和:7106

約数の個数: 20

約数和(自身を含む): 42780000

約数和(自身を除く): 20813584

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 6899, 13798, 27596, 55192, 110384, 1372901, 2745802, 5491604, 10983208, 21966416]

約数ペア:

[(1, 21966416), (2, 10983208), (4, 5491604), (8, 2745802), (16, 1372901), (199, 110384), (398, 55192), (796, 27596), (1592, 13798), (3184, 6899)]