21218926

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5839}}^1$

素因数の和:5943

約数の個数: 16

約数和(自身を含む): 33638400

約数和(自身を除く): 12419474

約数列:

[1, 2, 23, 46, 79, 158, 1817, 3634, 5839, 11678, 134297, 268594, 461281, 922562, 10609463, 21218926]

約数ペア:

[(1, 21218926), (2, 10609463), (23, 922562), (46, 461281), (79, 268594), (158, 134297), (1817, 11678), (3634, 5839)]