21504160

素因数分解:

$2^5\times 5^1\times {\mathrm{134401}}^1$

素因数の和:134416

約数の個数: 24

約数和(自身を含む): 50803956

約数和(自身を除く): 29299796

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 134401, 268802, 537604, 672005, 1075208, 1344010, 2150416, 2688020, 4300832, 5376040, 10752080, 21504160]

約数ペア:

[(1, 21504160), (2, 10752080), (4, 5376040), (5, 4300832), (8, 2688020), (10, 2150416), (16, 1344010), (20, 1075208), (32, 672005), (40, 537604), (80, 268802), (160, 134401)]