21484162

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66721}}^1$

素因数の和:66753

約数の個数: 16

約数和(自身を含む): 38431872

約数和(自身を除く): 16947710

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 66721, 133442, 467047, 934094, 1534583, 3069166, 10742081, 21484162]

約数ペア:

[(1, 21484162), (2, 10742081), (7, 3069166), (14, 1534583), (23, 934094), (46, 467047), (161, 133442), (322, 66721)]