21077110728

素因数分解:

$2^3\times 3^2\times {\mathrm{257}}^1\times {\mathrm{641}}^1\times {\mathrm{1777}}^1$

素因数の和:2687

約数の個数: 96

約数和(自身を含む): 57427657560

約数和(自身を除く): 36350546832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 257, 514, 641, 771, 1028, 1282, 1542, 1777, 1923, 2056, 2313, 2564, 3084, 3554, 3846, 4626, 5128, 5331, 5769, 6168, 7108, 7692, 9252, 10662, 11538, 14216, 15384, 15993, 18504, 21324, 23076, 31986, 42648, 46152, 63972, 127944, 164737, 329474, 456689, 494211, 658948, 913378, 988422, 1139057, 1317896, 1370067, 1482633, 1826756, 1976844, 2278114, 2740134, 2965266, 3417171, 3653512, 3953688, 4110201, 4556228, 5480268, 5930532, 6834342, 8220402, 9112456, 10251513, 10960536, 11861064, 13668684, 16440804, 20503026, 27337368, 32881608, 41006052, 82012104, 292737649, 585475298, 878212947, 1170950596, 1756425894, 2341901192, 2634638841, 3512851788, 5269277682, 7025703576, 10538555364, 21077110728]

約数ペア:

[(1, 21077110728), (2, 10538555364), (3, 7025703576), (4, 5269277682), (6, 3512851788), (8, 2634638841), (9, 2341901192), (12, 1756425894), (18, 1170950596), (24, 878212947), (36, 585475298), (72, 292737649), (257, 82012104), (514, 41006052), (641, 32881608), (771, 27337368), (1028, 20503026), (1282, 16440804), (1542, 13668684), (1777, 11861064), (1923, 10960536), (2056, 10251513), (2313, 9112456), (2564, 8220402), (3084, 6834342), (3554, 5930532), (3846, 5480268), (4626, 4556228), (5128, 4110201), (5331, 3953688), (5769, 3653512), (6168, 3417171), (7108, 2965266), (7692, 2740134), (9252, 2278114), (10662, 1976844), (11538, 1826756), (14216, 1482633), (15384, 1370067), (15993, 1317896), (18504, 1139057), (21324, 988422), (23076, 913378), (31986, 658948), (42648, 494211), (46152, 456689), (63972, 329474), (127944, 164737)]