21778552

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{46141}}^1$

素因数の和:46206

約数の個数: 16

約数和(自身を含む): 41527800

約数和(自身を除く): 19749248

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 46141, 92282, 184564, 369128, 2722319, 5444638, 10889276, 21778552]

約数ペア:

[(1, 21778552), (2, 10889276), (4, 5444638), (8, 2722319), (59, 369128), (118, 184564), (236, 92282), (472, 46141)]