21895540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47599}}^1$

素因数の和:47631

約数の個数: 24

約数和(自身を含む): 47980800

約数和(自身を除く): 26085260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 47599, 95198, 190396, 237995, 475990, 951980, 1094777, 2189554, 4379108, 5473885, 10947770, 21895540]

約数ペア:

[(1, 21895540), (2, 10947770), (4, 5473885), (5, 4379108), (10, 2189554), (20, 1094777), (23, 951980), (46, 475990), (92, 237995), (115, 190396), (230, 95198), (460, 47599)]