21542864

素因数分解:

$2^4\times 7^1\times {\mathrm{192347}}^1$

素因数の和:192362

約数の個数: 20

約数和(自身を含む): 47702304

約数和(自身を除く): 26159440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192347, 384694, 769388, 1346429, 1538776, 2692858, 3077552, 5385716, 10771432, 21542864]

約数ペア:

[(1, 21542864), (2, 10771432), (4, 5385716), (7, 3077552), (8, 2692858), (14, 1538776), (16, 1346429), (28, 769388), (56, 384694), (112, 192347)]