21544675

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 28257120

約数和(自身を除く): 6712445

約数列:

[1, 5, 23, 25, 89, 115, 421, 445, 575, 2047, 2105, 2225, 9683, 10235, 10525, 37469, 48415, 51175, 187345, 242075, 861787, 936725, 4308935, 21544675]

約数ペア:

[(1, 21544675), (5, 4308935), (23, 936725), (25, 861787), (89, 242075), (115, 187345), (421, 51175), (445, 48415), (575, 37469), (2047, 10525), (2105, 10235), (2225, 9683)]