21936964

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 45875200

約数和(自身を除く): 23938236

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 199, 217, 254, 398, 434, 508, 796, 868, 889, 1393, 1778, 2786, 3556, 3937, 5572, 6169, 7874, 12338, 15748, 24676, 25273, 27559, 43183, 50546, 55118, 86366, 101092, 110236, 172732, 176911, 353822, 707644, 783463, 1566926, 3133852, 5484241, 10968482, 21936964]

約数ペア:

[(1, 21936964), (2, 10968482), (4, 5484241), (7, 3133852), (14, 1566926), (28, 783463), (31, 707644), (62, 353822), (124, 176911), (127, 172732), (199, 110236), (217, 101092), (254, 86366), (398, 55118), (434, 50546), (508, 43183), (796, 27559), (868, 25273), (889, 24676), (1393, 15748), (1778, 12338), (2786, 7874), (3556, 6169), (3937, 5572)]