21191416

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{26227}}^1$

素因数の和:26334

約数の個数: 16

約数和(自身を含む): 40128840

約数和(自身を除く): 18937424

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 26227, 52454, 104908, 209816, 2648927, 5297854, 10595708, 21191416]

約数ペア:

[(1, 21191416), (2, 10595708), (4, 5297854), (8, 2648927), (101, 209816), (202, 104908), (404, 52454), (808, 26227)]