21374067

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49823}}^1$

素因数の和:49850

約数の個数: 16

約数和(自身を含む): 33481728

約数和(自身を除く): 12107661

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49823, 149469, 548053, 647699, 1644159, 1943097, 7124689, 21374067]

約数ペア:

[(1, 21374067), (3, 7124689), (11, 1943097), (13, 1644159), (33, 647699), (39, 548053), (143, 149469), (429, 49823)]