21553224

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 46875576

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 107, 109, 132, 154, 168, 214, 218, 231, 264, 308, 321, 327, 428, 436, 462, 616, 642, 654, 749, 763, 856, 872, 924, 1177, 1199, 1284, 1308, 1498, 1526, 1848, 2247, 2289, 2354, 2398, 2568, 2616, 2996, 3052, 3531, 3597, 4494, 4578, 4708, 4796, 5992, 6104, 7062, 7194, 8239, 8393, 8988, 9156, 9416, 9592, 11663, 14124, 14388, 16478, 16786, 17976, 18312, 23326, 24717, 25179, 28248, 28776, 32956, 33572, 34989, 46652, 49434, 50358, 65912, 67144, 69978, 81641, 93304, 98868, 100716, 128293, 139956, 163282, 197736, 201432, 244923, 256586, 279912, 326564, 384879, 489846, 513172, 653128, 769758, 898051, 979692, 1026344, 1539516, 1796102, 1959384, 2694153, 3079032, 3592204, 5388306, 7184408, 10776612, 21553224]

約数ペア:

[(1, 21553224), (2, 10776612), (3, 7184408), (4, 5388306), (6, 3592204), (7, 3079032), (8, 2694153), (11, 1959384), (12, 1796102), (14, 1539516), (21, 1026344), (22, 979692), (24, 898051), (28, 769758), (33, 653128), (42, 513172), (44, 489846), (56, 384879), (66, 326564), (77, 279912), (84, 256586), (88, 244923), (107, 201432), (109, 197736), (132, 163282), (154, 139956), (168, 128293), (214, 100716), (218, 98868), (231, 93304), (264, 81641), (308, 69978), (321, 67144), (327, 65912), (428, 50358), (436, 49434), (462, 46652), (616, 34989), (642, 33572), (654, 32956), (749, 28776), (763, 28248), (856, 25179), (872, 24717), (924, 23326), (1177, 18312), (1199, 17976), (1284, 16786), (1308, 16478), (1498, 14388), (1526, 14124), (1848, 11663), (2247, 9592), (2289, 9416), (2354, 9156), (2398, 8988), (2568, 8393), (2616, 8239), (2996, 7194), (3052, 7062), (3531, 6104), (3597, 5992), (4494, 4796), (4578, 4708)]