21082329

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 13443111

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 1997, 3519, 5991, 10557, 17973, 33949, 45931, 53919, 101847, 137793, 305541, 413379, 780827, 916623, 1240137, 2342481, 7027443, 21082329]

約数ペア:

[(1, 21082329), (3, 7027443), (9, 2342481), (17, 1240137), (23, 916623), (27, 780827), (51, 413379), (69, 305541), (153, 137793), (207, 101847), (391, 53919), (459, 45931), (621, 33949), (1173, 17973), (1997, 10557), (3519, 5991)]