21556977

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{14939}}^1$

素因数の和:14992

約数の個数: 16

約数和(自身を含む): 31792320

約数和(自身を除く): 10235343

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 14939, 44817, 194207, 552743, 582621, 1658229, 7185659, 21556977]

約数ペア:

[(1, 21556977), (3, 7185659), (13, 1658229), (37, 582621), (39, 552743), (111, 194207), (481, 44817), (1443, 14939)]