21554576

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{28663}}^1$

素因数の和:28718

約数の個数: 20

約数和(自身を含む): 42652032

約数和(自身を除く): 21097456

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 28663, 57326, 114652, 229304, 458608, 1347161, 2694322, 5388644, 10777288, 21554576]

約数ペア:

[(1, 21554576), (2, 10777288), (4, 5388644), (8, 2694322), (16, 1347161), (47, 458608), (94, 229304), (188, 114652), (376, 57326), (752, 28663)]