21247867168

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{28433}}^1$

素因数の和:28658

約数の個数: 72

約数和(自身を含む): 46220206284

約数和(自身を除く): 24972339116

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 193, 242, 352, 386, 484, 772, 968, 1544, 1936, 2123, 3088, 3872, 4246, 6176, 8492, 16984, 23353, 28433, 33968, 46706, 56866, 67936, 93412, 113732, 186824, 227464, 312763, 373648, 454928, 625526, 747296, 909856, 1251052, 2502104, 3440393, 5004208, 5487569, 6880786, 10008416, 10975138, 13761572, 21950276, 27523144, 43900552, 55046288, 60363259, 87801104, 110092576, 120726518, 175602208, 241453036, 482906072, 663995849, 965812144, 1327991698, 1931624288, 2655983396, 5311966792, 10623933584, 21247867168]

約数ペア:

[(1, 21247867168), (2, 10623933584), (4, 5311966792), (8, 2655983396), (11, 1931624288), (16, 1327991698), (22, 965812144), (32, 663995849), (44, 482906072), (88, 241453036), (121, 175602208), (176, 120726518), (193, 110092576), (242, 87801104), (352, 60363259), (386, 55046288), (484, 43900552), (772, 27523144), (968, 21950276), (1544, 13761572), (1936, 10975138), (2123, 10008416), (3088, 6880786), (3872, 5487569), (4246, 5004208), (6176, 3440393), (8492, 2502104), (16984, 1251052), (23353, 909856), (28433, 747296), (33968, 625526), (46706, 454928), (56866, 373648), (67936, 312763), (93412, 227464), (113732, 186824)]