21000966448

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{16127}}^1$

素因数の和:16311

約数の個数: 120

約数和(自身を含む): 51980673024

約数和(自身を除く): 30979706576

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 151, 154, 176, 196, 302, 308, 392, 539, 604, 616, 784, 1057, 1078, 1208, 1232, 1661, 2114, 2156, 2416, 3322, 4228, 4312, 6644, 7399, 8456, 8624, 11627, 13288, 14798, 16127, 16912, 23254, 26576, 29596, 32254, 46508, 59192, 64508, 81389, 93016, 112889, 118384, 129016, 162778, 177397, 186032, 225778, 258032, 325556, 354794, 451556, 651112, 709588, 790223, 903112, 1241779, 1302224, 1419176, 1580446, 1806224, 2435177, 2483558, 2838352, 3160892, 4870354, 4967116, 6321784, 8692453, 9740708, 9934232, 12643568, 17046239, 17384906, 19481416, 19868464, 26786947, 34092478, 34769812, 38962832, 53573894, 68184956, 69539624, 107147788, 119323673, 136369912, 139079248, 187508629, 214295576, 238647346, 272739824, 375017258, 428591152, 477294692, 750034516, 954589384, 1312560403, 1500069032, 1909178768, 2625120806, 3000138064, 5250241612, 10500483224, 21000966448]

約数ペア:

[(1, 21000966448), (2, 10500483224), (4, 5250241612), (7, 3000138064), (8, 2625120806), (11, 1909178768), (14, 1500069032), (16, 1312560403), (22, 954589384), (28, 750034516), (44, 477294692), (49, 428591152), (56, 375017258), (77, 272739824), (88, 238647346), (98, 214295576), (112, 187508629), (151, 139079248), (154, 136369912), (176, 119323673), (196, 107147788), (302, 69539624), (308, 68184956), (392, 53573894), (539, 38962832), (604, 34769812), (616, 34092478), (784, 26786947), (1057, 19868464), (1078, 19481416), (1208, 17384906), (1232, 17046239), (1661, 12643568), (2114, 9934232), (2156, 9740708), (2416, 8692453), (3322, 6321784), (4228, 4967116), (4312, 4870354), (6644, 3160892), (7399, 2838352), (8456, 2483558), (8624, 2435177), (11627, 1806224), (13288, 1580446), (14798, 1419176), (16127, 1302224), (16912, 1241779), (23254, 903112), (26576, 790223), (29596, 709588), (32254, 651112), (46508, 451556), (59192, 354794), (64508, 325556), (81389, 258032), (93016, 225778), (112889, 186032), (118384, 177397), (129016, 162778)]