21723256

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{63149}}^1$

素因数の和:63198

約数の個数: 16

約数和(自身を含む): 41679000

約数和(自身を除く): 19955744

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 63149, 126298, 252596, 505192, 2715407, 5430814, 10861628, 21723256]

約数ペア:

[(1, 21723256), (2, 10861628), (4, 5430814), (8, 2715407), (43, 505192), (86, 252596), (172, 126298), (344, 63149)]