21334977

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:933

約数の個数: 24

約数和(自身を含む): 32090240

約数和(自身を除く): 10755263

約数列:

[1, 3, 9, 37, 79, 111, 237, 333, 711, 811, 2433, 2923, 7299, 8769, 26307, 30007, 64069, 90021, 192207, 270063, 576621, 2370553, 7111659, 21334977]

約数ペア:

[(1, 21334977), (3, 7111659), (9, 2370553), (37, 576621), (79, 270063), (111, 192207), (237, 90021), (333, 64069), (711, 30007), (811, 26307), (2433, 8769), (2923, 7299)]