21232354

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 40018104

約数和(自身を除く): 18785750

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 121, 143, 187, 221, 242, 286, 374, 397, 442, 794, 1573, 2057, 2431, 3146, 4114, 4367, 4862, 5161, 6749, 8734, 10322, 13498, 26741, 48037, 53482, 56771, 74239, 87737, 96074, 113542, 148478, 175474, 624481, 816629, 965107, 1248962, 1633258, 1930214, 10616177, 21232354]

約数ペア:

[(1, 21232354), (2, 10616177), (11, 1930214), (13, 1633258), (17, 1248962), (22, 965107), (26, 816629), (34, 624481), (121, 175474), (143, 148478), (187, 113542), (221, 96074), (242, 87737), (286, 74239), (374, 56771), (397, 53482), (442, 48037), (794, 26741), (1573, 13498), (2057, 10322), (2431, 8734), (3146, 6749), (4114, 5161), (4367, 4862)]