21306864

素因数分解:

$2^4\times 3^1\times {\mathrm{443893}}^1$

素因数の和:443904

約数の個数: 20

約数和(自身を含む): 55042856

約数和(自身を除く): 33735992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443893, 887786, 1331679, 1775572, 2663358, 3551144, 5326716, 7102288, 10653432, 21306864]

約数ペア:

[(1, 21306864), (2, 10653432), (3, 7102288), (4, 5326716), (6, 3551144), (8, 2663358), (12, 1775572), (16, 1331679), (24, 887786), (48, 443893)]