21938816

素因数分解:

$2^7\times {\mathrm{101}}^1\times {\mathrm{1697}}^1$

素因数の和:1812

約数の個数: 32

約数和(自身を含む): 44164980

約数和(自身を除く): 22226164

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 404, 808, 1616, 1697, 3232, 3394, 6464, 6788, 12928, 13576, 27152, 54304, 108608, 171397, 217216, 342794, 685588, 1371176, 2742352, 5484704, 10969408, 21938816]

約数ペア:

[(1, 21938816), (2, 10969408), (4, 5484704), (8, 2742352), (16, 1371176), (32, 685588), (64, 342794), (101, 217216), (128, 171397), (202, 108608), (404, 54304), (808, 27152), (1616, 13576), (1697, 12928), (3232, 6788), (3394, 6464)]