21038974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41579}}^1$

素因数の和:41615

約数の個数: 16

約数和(自身を含む): 35925120

約数和(自身を除く): 14886146

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41579, 83158, 457369, 914738, 956317, 1912634, 10519487, 21038974]

約数ペア:

[(1, 21038974), (2, 10519487), (11, 1912634), (22, 956317), (23, 914738), (46, 457369), (253, 83158), (506, 41579)]