21359031

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1409}}^1$

素因数の和:1606

約数の個数: 16

約数和(自身を含む): 29598720

約数和(自身を除く): 8239689

約数列:

[1, 3, 31, 93, 163, 489, 1409, 4227, 5053, 15159, 43679, 131037, 229667, 689001, 7119677, 21359031]

約数ペア:

[(1, 21359031), (3, 7119677), (31, 689001), (93, 229667), (163, 131037), (489, 43679), (1409, 15159), (4227, 5053)]