21761784

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 160

約数和(自身を含む): 68999040

約数和(自身を除く): 47237256

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 43, 44, 54, 66, 71, 72, 81, 86, 88, 99, 108, 129, 132, 142, 162, 172, 198, 213, 216, 258, 264, 284, 297, 324, 344, 387, 396, 426, 473, 516, 568, 594, 639, 648, 774, 781, 792, 852, 891, 946, 1032, 1161, 1188, 1278, 1419, 1548, 1562, 1704, 1782, 1892, 1917, 2322, 2343, 2376, 2556, 2838, 3053, 3096, 3124, 3483, 3564, 3784, 3834, 4257, 4644, 4686, 5112, 5676, 5751, 6106, 6248, 6966, 7029, 7128, 7668, 8514, 9159, 9288, 9372, 11352, 11502, 12212, 12771, 13932, 14058, 15336, 17028, 18318, 18744, 21087, 23004, 24424, 25542, 27477, 27864, 28116, 33583, 34056, 36636, 38313, 42174, 46008, 51084, 54954, 56232, 63261, 67166, 73272, 76626, 82431, 84348, 100749, 102168, 109908, 126522, 134332, 153252, 164862, 168696, 201498, 219816, 247293, 253044, 268664, 302247, 306504, 329724, 402996, 494586, 506088, 604494, 659448, 805992, 906741, 989172, 1208988, 1813482, 1978344, 2417976, 2720223, 3626964, 5440446, 7253928, 10880892, 21761784]

約数ペア:

[(1, 21761784), (2, 10880892), (3, 7253928), (4, 5440446), (6, 3626964), (8, 2720223), (9, 2417976), (11, 1978344), (12, 1813482), (18, 1208988), (22, 989172), (24, 906741), (27, 805992), (33, 659448), (36, 604494), (43, 506088), (44, 494586), (54, 402996), (66, 329724), (71, 306504), (72, 302247), (81, 268664), (86, 253044), (88, 247293), (99, 219816), (108, 201498), (129, 168696), (132, 164862), (142, 153252), (162, 134332), (172, 126522), (198, 109908), (213, 102168), (216, 100749), (258, 84348), (264, 82431), (284, 76626), (297, 73272), (324, 67166), (344, 63261), (387, 56232), (396, 54954), (426, 51084), (473, 46008), (516, 42174), (568, 38313), (594, 36636), (639, 34056), (648, 33583), (774, 28116), (781, 27864), (792, 27477), (852, 25542), (891, 24424), (946, 23004), (1032, 21087), (1161, 18744), (1188, 18318), (1278, 17028), (1419, 15336), (1548, 14058), (1562, 13932), (1704, 12771), (1782, 12212), (1892, 11502), (1917, 11352), (2322, 9372), (2343, 9288), (2376, 9159), (2556, 8514), (2838, 7668), (3053, 7128), (3096, 7029), (3124, 6966), (3483, 6248), (3564, 6106), (3784, 5751), (3834, 5676), (4257, 5112), (4644, 4686)]