21431178

素因数分解:

$2^1\times 3^2\times {\mathrm{337}}^1\times {\mathrm{3533}}^1$

素因数の和:3878

約数の個数: 24

約数和(自身を含む): 46585188

約数和(自身を除く): 25154010

約数列:

[1, 2, 3, 6, 9, 18, 337, 674, 1011, 2022, 3033, 3533, 6066, 7066, 10599, 21198, 31797, 63594, 1190621, 2381242, 3571863, 7143726, 10715589, 21431178]

約数ペア:

[(1, 21431178), (2, 10715589), (3, 7143726), (6, 3571863), (9, 2381242), (18, 1190621), (337, 63594), (674, 31797), (1011, 21198), (2022, 10599), (3033, 7066), (3533, 6066)]