21159072

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6679}}^1$

素因数の和:6706

約数の個数: 72

約数和(自身を含む): 65651040

約数和(自身を除く): 44491968

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6679, 13358, 20037, 26716, 40074, 53432, 60111, 73469, 80148, 106864, 120222, 146938, 160296, 213728, 220407, 240444, 293876, 320592, 440814, 480888, 587752, 641184, 661221, 881628, 961776, 1175504, 1322442, 1763256, 1923552, 2351008, 2644884, 3526512, 5289768, 7053024, 10579536, 21159072]

約数ペア:

[(1, 21159072), (2, 10579536), (3, 7053024), (4, 5289768), (6, 3526512), (8, 2644884), (9, 2351008), (11, 1923552), (12, 1763256), (16, 1322442), (18, 1175504), (22, 961776), (24, 881628), (32, 661221), (33, 641184), (36, 587752), (44, 480888), (48, 440814), (66, 320592), (72, 293876), (88, 240444), (96, 220407), (99, 213728), (132, 160296), (144, 146938), (176, 120222), (198, 106864), (264, 80148), (288, 73469), (352, 60111), (396, 53432), (528, 40074), (792, 26716), (1056, 20037), (1584, 13358), (3168, 6679)]