21788404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1613}}^1$

素因数の和:1935

約数の個数: 24

約数和(自身を含む): 41757408

約数和(自身を除く): 19969004

約数列:

[1, 2, 4, 11, 22, 44, 307, 614, 1228, 1613, 3226, 3377, 6452, 6754, 13508, 17743, 35486, 70972, 495191, 990382, 1980764, 5447101, 10894202, 21788404]

約数ペア:

[(1, 21788404), (2, 10894202), (4, 5447101), (11, 1980764), (22, 990382), (44, 495191), (307, 70972), (614, 35486), (1228, 17743), (1613, 13508), (3226, 6754), (3377, 6452)]