21860007

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{15149}}^1$

素因数の和:15202

約数の個数: 16

約数和(自身を含む): 32239200

約数和(自身を除く): 10379193

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 15149, 45447, 196937, 560513, 590811, 1681539, 7286669, 21860007]

約数ペア:

[(1, 21860007), (3, 7286669), (13, 1681539), (37, 590811), (39, 560513), (111, 196937), (481, 45447), (1443, 15149)]