21764624

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 120

約数和(自身を含む): 54960768

約数和(自身を除く): 33196144

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 49, 56, 68, 71, 92, 98, 112, 119, 136, 142, 161, 184, 196, 238, 272, 284, 322, 368, 391, 392, 476, 497, 568, 644, 782, 784, 833, 952, 994, 1127, 1136, 1207, 1288, 1564, 1633, 1666, 1904, 1988, 2254, 2414, 2576, 2737, 3128, 3266, 3332, 3479, 3976, 4508, 4828, 5474, 6256, 6532, 6664, 6958, 7952, 8449, 9016, 9656, 10948, 11431, 13064, 13328, 13916, 16898, 18032, 19159, 19312, 21896, 22862, 26128, 27761, 27832, 33796, 38318, 43792, 45724, 55522, 55664, 59143, 67592, 76636, 80017, 91448, 111044, 118286, 135184, 153272, 160034, 182896, 194327, 222088, 236572, 306544, 320068, 388654, 444176, 473144, 640136, 777308, 946288, 1280272, 1360289, 1554616, 2720578, 3109232, 5441156, 10882312, 21764624]

約数ペア:

[(1, 21764624), (2, 10882312), (4, 5441156), (7, 3109232), (8, 2720578), (14, 1554616), (16, 1360289), (17, 1280272), (23, 946288), (28, 777308), (34, 640136), (46, 473144), (49, 444176), (56, 388654), (68, 320068), (71, 306544), (92, 236572), (98, 222088), (112, 194327), (119, 182896), (136, 160034), (142, 153272), (161, 135184), (184, 118286), (196, 111044), (238, 91448), (272, 80017), (284, 76636), (322, 67592), (368, 59143), (391, 55664), (392, 55522), (476, 45724), (497, 43792), (568, 38318), (644, 33796), (782, 27832), (784, 27761), (833, 26128), (952, 22862), (994, 21896), (1127, 19312), (1136, 19159), (1207, 18032), (1288, 16898), (1564, 13916), (1633, 13328), (1666, 13064), (1904, 11431), (1988, 10948), (2254, 9656), (2414, 9016), (2576, 8449), (2737, 7952), (3128, 6958), (3266, 6664), (3332, 6532), (3479, 6256), (3976, 5474), (4508, 4828)]