21892388

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3929}}^1$

素因数の和:4139

約数の個数: 24

約数和(自身を含む): 44016000

約数和(自身を除く): 22123612

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 3929, 5572, 7858, 15716, 27503, 55006, 110012, 781871, 1563742, 3127484, 5473097, 10946194, 21892388]

約数ペア:

[(1, 21892388), (2, 10946194), (4, 5473097), (7, 3127484), (14, 1563742), (28, 781871), (199, 110012), (398, 55006), (796, 27503), (1393, 15716), (2786, 7858), (3929, 5572)]