21619862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42727}}^1$

素因数の和:42763

約数の個数: 16

約数和(自身を含む): 36916992

約数和(自身を除く): 15297130

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 42727, 85454, 469997, 939994, 982721, 1965442, 10809931, 21619862]

約数ペア:

[(1, 21619862), (2, 10809931), (11, 1965442), (22, 982721), (23, 939994), (46, 469997), (253, 85454), (506, 42727)]