21587418

素因数分解:

$2^1\times 3^3\times {\mathrm{149}}^1\times {\mathrm{2683}}^1$

素因数の和:2843

約数の個数: 32

約数和(自身を含む): 48312000

約数和(自身を除く): 26724582

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 149, 298, 447, 894, 1341, 2682, 2683, 4023, 5366, 8046, 8049, 16098, 24147, 48294, 72441, 144882, 399767, 799534, 1199301, 2398602, 3597903, 7195806, 10793709, 21587418]

約数ペア:

[(1, 21587418), (2, 10793709), (3, 7195806), (6, 3597903), (9, 2398602), (18, 1199301), (27, 799534), (54, 399767), (149, 144882), (298, 72441), (447, 48294), (894, 24147), (1341, 16098), (2682, 8049), (2683, 8046), (4023, 5366)]