21042184

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{64153}}^1$

素因数の和:64200

約数の個数: 16

約数和(自身を含む): 40417020

約数和(自身を除く): 19374836

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 64153, 128306, 256612, 513224, 2630273, 5260546, 10521092, 21042184]

約数ペア:

[(1, 21042184), (2, 10521092), (4, 5260546), (8, 2630273), (41, 513224), (82, 256612), (164, 128306), (328, 64153)]