21383164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1583}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 40981248

約数和(自身を除く): 19598084

約数列:

[1, 2, 4, 11, 22, 44, 307, 614, 1228, 1583, 3166, 3377, 6332, 6754, 13508, 17413, 34826, 69652, 485981, 971962, 1943924, 5345791, 10691582, 21383164]

約数ペア:

[(1, 21383164), (2, 10691582), (4, 5345791), (11, 1943924), (22, 971962), (44, 485981), (307, 69652), (614, 34826), (1228, 17413), (1583, 13508), (3166, 6754), (3377, 6332)]