21551624

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2093

約数の個数: 32

約数和(自身を含む): 43156800

約数和(自身を除く): 21605176

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 568, 1349, 1997, 2698, 3994, 5396, 7988, 10792, 15976, 37943, 75886, 141787, 151772, 283574, 303544, 567148, 1134296, 2693953, 5387906, 10775812, 21551624]

約数ペア:

[(1, 21551624), (2, 10775812), (4, 5387906), (8, 2693953), (19, 1134296), (38, 567148), (71, 303544), (76, 283574), (142, 151772), (152, 141787), (284, 75886), (568, 37943), (1349, 15976), (1997, 10792), (2698, 7988), (3994, 5396)]