21498267

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2503}}^1$

素因数の和:2922

約数の個数: 16

約数和(自身を含む): 32852480

約数和(自身を除く): 11354213

約数列:

[1, 3, 7, 21, 409, 1227, 2503, 2863, 7509, 8589, 17521, 52563, 1023727, 3071181, 7166089, 21498267]

約数ペア:

[(1, 21498267), (3, 7166089), (7, 3071181), (21, 1023727), (409, 52563), (1227, 17521), (2503, 8589), (2863, 7509)]