21339696

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:279

約数の個数: 120

約数和(自身を含む): 65930304

約数和(自身を除く): 44590608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 49, 56, 84, 86, 98, 112, 129, 147, 168, 172, 196, 211, 258, 294, 301, 336, 344, 392, 422, 516, 588, 602, 633, 688, 784, 844, 903, 1032, 1176, 1204, 1266, 1477, 1688, 1806, 2064, 2107, 2352, 2408, 2532, 2954, 3376, 3612, 4214, 4431, 4816, 5064, 5908, 6321, 7224, 8428, 8862, 9073, 10128, 10339, 11816, 12642, 14448, 16856, 17724, 18146, 20678, 23632, 25284, 27219, 31017, 33712, 35448, 36292, 41356, 50568, 54438, 62034, 63511, 70896, 72584, 82712, 101136, 108876, 124068, 127022, 145168, 165424, 190533, 217752, 248136, 254044, 381066, 435504, 444577, 496272, 508088, 762132, 889154, 1016176, 1333731, 1524264, 1778308, 2667462, 3048528, 3556616, 5334924, 7113232, 10669848, 21339696]

約数ペア:

[(1, 21339696), (2, 10669848), (3, 7113232), (4, 5334924), (6, 3556616), (7, 3048528), (8, 2667462), (12, 1778308), (14, 1524264), (16, 1333731), (21, 1016176), (24, 889154), (28, 762132), (42, 508088), (43, 496272), (48, 444577), (49, 435504), (56, 381066), (84, 254044), (86, 248136), (98, 217752), (112, 190533), (129, 165424), (147, 145168), (168, 127022), (172, 124068), (196, 108876), (211, 101136), (258, 82712), (294, 72584), (301, 70896), (336, 63511), (344, 62034), (392, 54438), (422, 50568), (516, 41356), (588, 36292), (602, 35448), (633, 33712), (688, 31017), (784, 27219), (844, 25284), (903, 23632), (1032, 20678), (1176, 18146), (1204, 17724), (1266, 16856), (1477, 14448), (1688, 12642), (1806, 11816), (2064, 10339), (2107, 10128), (2352, 9073), (2408, 8862), (2532, 8428), (2954, 7224), (3376, 6321), (3612, 5908), (4214, 5064), (4431, 4816)]