21859288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{248401}}^1$

素因数の和:248418

約数の個数: 16

約数和(自身を含む): 44712360

約数和(自身を除く): 22853072

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 248401, 496802, 993604, 1987208, 2732411, 5464822, 10929644, 21859288]

約数ペア:

[(1, 21859288), (2, 10929644), (4, 5464822), (8, 2732411), (11, 1987208), (22, 993604), (44, 496802), (88, 248401)]