21002652

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 61471872

約数和(自身を除く): 40469220

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 71, 81, 83, 99, 108, 132, 142, 162, 166, 198, 213, 249, 284, 297, 324, 332, 396, 426, 498, 594, 639, 747, 781, 852, 891, 913, 996, 1188, 1278, 1494, 1562, 1782, 1826, 1917, 2241, 2343, 2556, 2739, 2988, 3124, 3564, 3652, 3834, 4482, 4686, 5478, 5751, 5893, 6723, 7029, 7668, 8217, 8964, 9372, 10956, 11502, 11786, 13446, 14058, 16434, 17679, 21087, 23004, 23572, 24651, 26892, 28116, 32868, 35358, 42174, 49302, 53037, 63261, 64823, 70716, 73953, 84348, 98604, 106074, 126522, 129646, 147906, 159111, 194469, 212148, 253044, 259292, 295812, 318222, 388938, 477333, 583407, 636444, 777876, 954666, 1166814, 1750221, 1909332, 2333628, 3500442, 5250663, 7000884, 10501326, 21002652]

約数ペア:

[(1, 21002652), (2, 10501326), (3, 7000884), (4, 5250663), (6, 3500442), (9, 2333628), (11, 1909332), (12, 1750221), (18, 1166814), (22, 954666), (27, 777876), (33, 636444), (36, 583407), (44, 477333), (54, 388938), (66, 318222), (71, 295812), (81, 259292), (83, 253044), (99, 212148), (108, 194469), (132, 159111), (142, 147906), (162, 129646), (166, 126522), (198, 106074), (213, 98604), (249, 84348), (284, 73953), (297, 70716), (324, 64823), (332, 63261), (396, 53037), (426, 49302), (498, 42174), (594, 35358), (639, 32868), (747, 28116), (781, 26892), (852, 24651), (891, 23572), (913, 23004), (996, 21087), (1188, 17679), (1278, 16434), (1494, 14058), (1562, 13446), (1782, 11786), (1826, 11502), (1917, 10956), (2241, 9372), (2343, 8964), (2556, 8217), (2739, 7668), (2988, 7029), (3124, 6723), (3564, 5893), (3652, 5751), (3834, 5478), (4482, 4686)]