21105729504

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{81517}}^1$

素因数の和:81593

約数の個数: 144

約数和(自身を含む): 64092712320

約数和(自身を除く): 42986982816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 31, 32, 36, 48, 58, 62, 72, 87, 93, 96, 116, 124, 144, 174, 186, 232, 248, 261, 279, 288, 348, 372, 464, 496, 522, 558, 696, 744, 899, 928, 992, 1044, 1116, 1392, 1488, 1798, 2088, 2232, 2697, 2784, 2976, 3596, 4176, 4464, 5394, 7192, 8091, 8352, 8928, 10788, 14384, 16182, 21576, 28768, 32364, 43152, 64728, 81517, 86304, 129456, 163034, 244551, 258912, 326068, 489102, 652136, 733653, 978204, 1304272, 1467306, 1956408, 2363993, 2527027, 2608544, 2934612, 3912816, 4727986, 5054054, 5869224, 7091979, 7581081, 7825632, 9455972, 10108108, 11738448, 14183958, 15162162, 18911944, 20216216, 21275937, 22743243, 23476896, 28367916, 30324324, 37823888, 40432432, 42551874, 45486486, 56735832, 60648648, 73283783, 75647776, 80864864, 85103748, 90972972, 113471664, 121297296, 146567566, 170207496, 181945944, 219851349, 226943328, 242594592, 293135132, 340414992, 363891888, 439702698, 586270264, 659554047, 680829984, 727783776, 879405396, 1172540528, 1319108094, 1758810792, 2345081056, 2638216188, 3517621584, 5276432376, 7035243168, 10552864752, 21105729504]

約数ペア:

[(1, 21105729504), (2, 10552864752), (3, 7035243168), (4, 5276432376), (6, 3517621584), (8, 2638216188), (9, 2345081056), (12, 1758810792), (16, 1319108094), (18, 1172540528), (24, 879405396), (29, 727783776), (31, 680829984), (32, 659554047), (36, 586270264), (48, 439702698), (58, 363891888), (62, 340414992), (72, 293135132), (87, 242594592), (93, 226943328), (96, 219851349), (116, 181945944), (124, 170207496), (144, 146567566), (174, 121297296), (186, 113471664), (232, 90972972), (248, 85103748), (261, 80864864), (279, 75647776), (288, 73283783), (348, 60648648), (372, 56735832), (464, 45486486), (496, 42551874), (522, 40432432), (558, 37823888), (696, 30324324), (744, 28367916), (899, 23476896), (928, 22743243), (992, 21275937), (1044, 20216216), (1116, 18911944), (1392, 15162162), (1488, 14183958), (1798, 11738448), (2088, 10108108), (2232, 9455972), (2697, 7825632), (2784, 7581081), (2976, 7091979), (3596, 5869224), (4176, 5054054), (4464, 4727986), (5394, 3912816), (7192, 2934612), (8091, 2608544), (8352, 2527027), (8928, 2363993), (10788, 1956408), (14384, 1467306), (16182, 1304272), (21576, 978204), (28768, 733653), (32364, 652136), (43152, 489102), (64728, 326068), (81517, 258912), (86304, 244551), (129456, 163034)]