21902095

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{839}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 5676785

約数列:

[1, 5, 23, 115, 227, 839, 1135, 4195, 5221, 19297, 26105, 96485, 190453, 952265, 4380419, 21902095]

約数ペア:

[(1, 21902095), (5, 4380419), (23, 952265), (115, 190453), (227, 96485), (839, 26105), (1135, 19297), (4195, 5221)]