21396953.000000000

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1896031}}^1$

素因数の和:1896043

約数の個数: 24

約数和(自身を含む): 318533376

約数和(自身を除く): 204771516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1896031, 3792062, 5688093, 7584124, 9480155, 11376186, 18960310, 22752372, 28440465, 37920620, 56880930, 113761860]

約数ペア:

[(1, 113761860), (2, 56880930), (3, 37920620), (4, 28440465), (5, 22752372), (6, 18960310), (10, 11376186), (12, 9480155), (15, 7584124), (20, 5688093), (30, 3792062), (60, 1896031)]