21922012

素因数分解:

$2^2\times 7^2\times {\mathrm{111847}}^1$

素因数の和:111865

約数の個数: 18

約数和(自身を含む): 44627352

約数和(自身を除く): 22705340

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 111847, 223694, 447388, 782929, 1565858, 3131716, 5480503, 10961006, 21922012]

約数ペア:

[(1, 21922012), (2, 10961006), (4, 5480503), (7, 3131716), (14, 1565858), (28, 782929), (49, 447388), (98, 223694), (196, 111847)]