21486816

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{1913}}^1$

素因数の和:1945

約数の個数: 96

約数和(自身を含む): 67525920

約数和(自身を除く): 46039104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 208, 216, 234, 288, 312, 351, 416, 432, 468, 624, 702, 864, 936, 1248, 1404, 1872, 1913, 2808, 3744, 3826, 5616, 5739, 7652, 11232, 11478, 15304, 17217, 22956, 24869, 30608, 34434, 45912, 49738, 51651, 61216, 68868, 74607, 91824, 99476, 103302, 137736, 149214, 183648, 198952, 206604, 223821, 275472, 298428, 397904, 413208, 447642, 550944, 596856, 671463, 795808, 826416, 895284, 1193712, 1342926, 1652832, 1790568, 2387424, 2685852, 3581136, 5371704, 7162272, 10743408, 21486816]

約数ペア:

[(1, 21486816), (2, 10743408), (3, 7162272), (4, 5371704), (6, 3581136), (8, 2685852), (9, 2387424), (12, 1790568), (13, 1652832), (16, 1342926), (18, 1193712), (24, 895284), (26, 826416), (27, 795808), (32, 671463), (36, 596856), (39, 550944), (48, 447642), (52, 413208), (54, 397904), (72, 298428), (78, 275472), (96, 223821), (104, 206604), (108, 198952), (117, 183648), (144, 149214), (156, 137736), (208, 103302), (216, 99476), (234, 91824), (288, 74607), (312, 68868), (351, 61216), (416, 51651), (432, 49738), (468, 45912), (624, 34434), (702, 30608), (864, 24869), (936, 22956), (1248, 17217), (1404, 15304), (1872, 11478), (1913, 11232), (2808, 7652), (3744, 5739), (3826, 5616)]