21821978878

素因数分解:

$2^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{443}}^1\times {\mathrm{12433}}^1$

素因数の和:13168

約数の個数: 32

約数和(自身を含む): 37629063936

約数和(自身を除く): 15807085058

約数列:

[1, 2, 7, 14, 283, 443, 566, 886, 1981, 3101, 3962, 6202, 12433, 24866, 87031, 125369, 174062, 250738, 877583, 1755166, 3518539, 5507819, 7037078, 11015638, 24629773, 38554733, 49259546, 77109466, 1558712777, 3117425554, 10910989439, 21821978878]

約数ペア:

[(1, 21821978878), (2, 10910989439), (7, 3117425554), (14, 1558712777), (283, 77109466), (443, 49259546), (566, 38554733), (886, 24629773), (1981, 11015638), (3101, 7037078), (3962, 5507819), (6202, 3518539), (12433, 1755166), (24866, 877583), (87031, 250738), (125369, 174062)]