21241568

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39047}}^1$

素因数の和:39074

約数の個数: 24

約数和(自身を含む): 44280432

約数和(自身を除く): 23038864

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39047, 78094, 156188, 312376, 624752, 663799, 1249504, 1327598, 2655196, 5310392, 10620784, 21241568]

約数ペア:

[(1, 21241568), (2, 10620784), (4, 5310392), (8, 2655196), (16, 1327598), (17, 1249504), (32, 663799), (34, 624752), (68, 312376), (136, 156188), (272, 78094), (544, 39047)]