21008646

素因数分解:

$2^1\times 3^4\times {\mathrm{41}}^1\times {\mathrm{3163}}^1$

素因数の和:3218

約数の個数: 40

約数和(自身を含む): 48238344

約数和(自身を除く): 27229698

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 246, 369, 738, 1107, 2214, 3163, 3321, 6326, 6642, 9489, 18978, 28467, 56934, 85401, 129683, 170802, 256203, 259366, 389049, 512406, 778098, 1167147, 2334294, 3501441, 7002882, 10504323, 21008646]

約数ペア:

[(1, 21008646), (2, 10504323), (3, 7002882), (6, 3501441), (9, 2334294), (18, 1167147), (27, 778098), (41, 512406), (54, 389049), (81, 259366), (82, 256203), (123, 170802), (162, 129683), (246, 85401), (369, 56934), (738, 28467), (1107, 18978), (2214, 9489), (3163, 6642), (3321, 6326)]