21270040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{48341}}^1$

素因数の和:48363

約数の個数: 32

約数和(自身を含む): 52209360

約数和(自身を除く): 30939320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 48341, 96682, 193364, 241705, 386728, 483410, 531751, 966820, 1063502, 1933640, 2127004, 2658755, 4254008, 5317510, 10635020, 21270040]

約数ペア:

[(1, 21270040), (2, 10635020), (4, 5317510), (5, 4254008), (8, 2658755), (10, 2127004), (11, 1933640), (20, 1063502), (22, 966820), (40, 531751), (44, 483410), (55, 386728), (88, 241705), (110, 193364), (220, 96682), (440, 48341)]