21923128

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{10663}}^1$

素因数の和:10926

約数の個数: 16

約数和(自身を含む): 41269680

約数和(自身を除く): 19346552

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 10663, 21326, 42652, 85304, 2740391, 5480782, 10961564, 21923128]

約数ペア:

[(1, 21923128), (2, 10961564), (4, 5480782), (8, 2740391), (257, 85304), (514, 42652), (1028, 21326), (2056, 10663)]