21857864

素因数分解:

$2^3\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1451}}^1$

素因数の和:1733

約数の個数: 32

約数和(自身を含む): 47044800

約数和(自身を除く): 25186936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 269, 538, 1076, 1451, 1883, 2152, 2902, 3766, 5804, 7532, 10157, 11608, 15064, 20314, 40628, 81256, 390319, 780638, 1561276, 2732233, 3122552, 5464466, 10928932, 21857864]

約数ペア:

[(1, 21857864), (2, 10928932), (4, 5464466), (7, 3122552), (8, 2732233), (14, 1561276), (28, 780638), (56, 390319), (269, 81256), (538, 40628), (1076, 20314), (1451, 15064), (1883, 11608), (2152, 10157), (2902, 7532), (3766, 5804)]