21023523

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{16567}}^1$

素因数の和:16623

約数の個数: 16

約数和(自身を含む): 31810560

約数和(自身を除く): 10787037

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 16567, 49701, 149103, 447309, 778649, 2335947, 7007841, 21023523]

約数ペア:

[(1, 21023523), (3, 7007841), (9, 2335947), (27, 778649), (47, 447309), (141, 149103), (423, 49701), (1269, 16567)]