21269178

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{168803}}^1$

素因数の和:168818

約数の個数: 24

約数和(自身を含む): 52666848

約数和(自身を除く): 31397670

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 168803, 337606, 506409, 1012818, 1181621, 1519227, 2363242, 3038454, 3544863, 7089726, 10634589, 21269178]

約数ペア:

[(1, 21269178), (2, 10634589), (3, 7089726), (6, 3544863), (7, 3038454), (9, 2363242), (14, 1519227), (18, 1181621), (21, 1012818), (42, 506409), (63, 337606), (126, 168803)]