21368943

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{64171}}^1$

素因数の和:64214

約数の個数: 12

約数和(自身を含む): 31700968

約数和(自身を除く): 10332025

約数列:

[1, 3, 9, 37, 111, 333, 64171, 192513, 577539, 2374327, 7122981, 21368943]

約数ペア:

[(1, 21368943), (3, 7122981), (9, 2374327), (37, 577539), (111, 192513), (333, 64171)]