21136656

素因数分解:

$2^4\times 3^1\times {\mathrm{440347}}^1$

素因数の和:440358

約数の個数: 20

約数和(自身を含む): 54603152

約数和(自身を除く): 33466496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440347, 880694, 1321041, 1761388, 2642082, 3522776, 5284164, 7045552, 10568328, 21136656]

約数ペア:

[(1, 21136656), (2, 10568328), (3, 7045552), (4, 5284164), (6, 3522776), (8, 2642082), (12, 1761388), (16, 1321041), (24, 880694), (48, 440347)]