21184048

素因数分解:

$2^4\times {\mathrm{601}}^1\times {\mathrm{2203}}^1$

素因数の和:2812

約数の個数: 20

約数和(自身を含む): 41131048

約数和(自身を除く): 19947000

約数列:

[1, 2, 4, 8, 16, 601, 1202, 2203, 2404, 4406, 4808, 8812, 9616, 17624, 35248, 1324003, 2648006, 5296012, 10592024, 21184048]

約数ペア:

[(1, 21184048), (2, 10592024), (4, 5296012), (8, 2648006), (16, 1324003), (601, 35248), (1202, 17624), (2203, 9616), (2404, 8812), (4406, 4808)]