21088146

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{81737}}^1$

素因数の和:81785

約数の個数: 16

約数和(自身を含む): 43157664

約数和(自身を除く): 22069518

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 81737, 163474, 245211, 490422, 3514691, 7029382, 10544073, 21088146]

約数ペア:

[(1, 21088146), (2, 10544073), (3, 7029382), (6, 3514691), (43, 490422), (86, 245211), (129, 163474), (258, 81737)]