21144357

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1423}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 33173504

約数和(自身を除く): 12029147

約数列:

[1, 3, 9, 13, 39, 117, 127, 381, 1143, 1423, 1651, 4269, 4953, 12807, 14859, 18499, 55497, 166491, 180721, 542163, 1626489, 2349373, 7048119, 21144357]

約数ペア:

[(1, 21144357), (3, 7048119), (9, 2349373), (13, 1626489), (39, 542163), (117, 180721), (127, 166491), (381, 55497), (1143, 18499), (1423, 14859), (1651, 12807), (4269, 4953)]