21839541

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 29729280

約数和(自身を除く): 7889739

約数列:

[1, 3, 83, 139, 249, 417, 631, 1893, 11537, 34611, 52373, 87709, 157119, 263127, 7279847, 21839541]

約数ペア:

[(1, 21839541), (3, 7279847), (83, 263127), (139, 157119), (249, 87709), (417, 52373), (631, 34611), (1893, 11537)]