21648382

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67231}}^1$

素因数の和:67263

約数の個数: 16

約数和(自身を含む): 38725632

約数和(自身を除く): 17077250

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 67231, 134462, 470617, 941234, 1546313, 3092626, 10824191, 21648382]

約数ペア:

[(1, 21648382), (2, 10824191), (7, 3092626), (14, 1546313), (23, 941234), (46, 470617), (161, 134462), (322, 67231)]