21681286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7523}}^1$

素因数の和:7667

約数の個数: 16

約数和(自身を含む): 35754048

約数和(自身を除く): 14072762

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 7523, 15046, 82753, 165506, 985513, 1971026, 10840643, 21681286]

約数ペア:

[(1, 21681286), (2, 10840643), (11, 1971026), (22, 985513), (131, 165506), (262, 82753), (1441, 15046), (2882, 7523)]