21711456

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{1933}}^1$

素因数の和:1965

約数の個数: 96

約数和(自身を含む): 68231520

約数和(自身を除く): 46520064

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, 1933, 2808, 3744, 3866, 5616, 5799, 7732, 11232, 11598, 15464, 17397, 23196, 25129, 30928, 34794, 46392, 50258, 52191, 61856, 69588, 75387, 92784, 100516, 104382, 139176, 150774, 185568, 201032, 208764, 226161, 278352, 301548, 402064, 417528, 452322, 556704, 603096, 678483, 804128, 835056, 904644, 1206192, 1356966, 1670112, 1809288, 2412384, 2713932, 3618576, 5427864, 7237152, 10855728, 21711456]

約数ペア:

[(1, 21711456), (2, 10855728), (3, 7237152), (4, 5427864), (6, 3618576), (8, 2713932), (9, 2412384), (12, 1809288), (13, 1670112), (16, 1356966), (18, 1206192), (24, 904644), (26, 835056), (27, 804128), (32, 678483), (36, 603096), (39, 556704), (48, 452322), (52, 417528), (54, 402064), (72, 301548), (78, 278352), (96, 226161), (104, 208764), (108, 201032), (117, 185568), (144, 150774), (156, 139176), (208, 104382), (216, 100516), (234, 92784), (288, 75387), (312, 69588), (351, 61856), (416, 52191), (432, 50258), (468, 46392), (624, 34794), (702, 30928), (864, 25129), (936, 23196), (1248, 17397), (1404, 15464), (1872, 11598), (1933, 11232), (2808, 7732), (3744, 5799), (3866, 5616)]