21079293984

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{65761}}^1$

素因数の和:65840

約数の個数: 192

約数和(自身を含む): 71591143680

約数和(自身を除く): 50511849696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 53, 54, 56, 63, 72, 84, 96, 106, 108, 112, 126, 144, 159, 168, 189, 212, 216, 224, 252, 288, 318, 336, 371, 378, 424, 432, 477, 504, 636, 672, 742, 756, 848, 864, 954, 1008, 1113, 1272, 1431, 1484, 1512, 1696, 1908, 2016, 2226, 2544, 2862, 2968, 3024, 3339, 3816, 4452, 5088, 5724, 5936, 6048, 6678, 7632, 8904, 10017, 11448, 11872, 13356, 15264, 17808, 20034, 22896, 26712, 35616, 40068, 45792, 53424, 65761, 80136, 106848, 131522, 160272, 197283, 263044, 320544, 394566, 460327, 526088, 591849, 789132, 920654, 1052176, 1183698, 1380981, 1578264, 1775547, 1841308, 2104352, 2367396, 2761962, 3156528, 3485333, 3551094, 3682616, 4142943, 4734792, 5523924, 6313056, 6970666, 7102188, 7365232, 8285886, 9469584, 10455999, 11047848, 12428829, 13941332, 14204376, 14730464, 16571772, 18939168, 20911998, 22095696, 24397331, 24857658, 27882664, 28408752, 31367997, 33143544, 41823996, 44191392, 48794662, 49715316, 55765328, 56817504, 62735994, 66287088, 73191993, 83647992, 94103991, 97589324, 99430632, 111530656, 125471988, 132574176, 146383986, 167295984, 188207982, 195178648, 198861264, 219575979, 250943976, 292767972, 334591968, 376415964, 390357296, 397722528, 439151958, 501887952, 585535944, 658727937, 752831928, 780714592, 878303916, 1003775904, 1171071888, 1317455874, 1505663856, 1756607832, 2342143776, 2634911748, 3011327712, 3513215664, 5269823496, 7026431328, 10539646992, 21079293984]

約数ペア:

[(1, 21079293984), (2, 10539646992), (3, 7026431328), (4, 5269823496), (6, 3513215664), (7, 3011327712), (8, 2634911748), (9, 2342143776), (12, 1756607832), (14, 1505663856), (16, 1317455874), (18, 1171071888), (21, 1003775904), (24, 878303916), (27, 780714592), (28, 752831928), (32, 658727937), (36, 585535944), (42, 501887952), (48, 439151958), (53, 397722528), (54, 390357296), (56, 376415964), (63, 334591968), (72, 292767972), (84, 250943976), (96, 219575979), (106, 198861264), (108, 195178648), (112, 188207982), (126, 167295984), (144, 146383986), (159, 132574176), (168, 125471988), (189, 111530656), (212, 99430632), (216, 97589324), (224, 94103991), (252, 83647992), (288, 73191993), (318, 66287088), (336, 62735994), (371, 56817504), (378, 55765328), (424, 49715316), (432, 48794662), (477, 44191392), (504, 41823996), (636, 33143544), (672, 31367997), (742, 28408752), (756, 27882664), (848, 24857658), (864, 24397331), (954, 22095696), (1008, 20911998), (1113, 18939168), (1272, 16571772), (1431, 14730464), (1484, 14204376), (1512, 13941332), (1696, 12428829), (1908, 11047848), (2016, 10455999), (2226, 9469584), (2544, 8285886), (2862, 7365232), (2968, 7102188), (3024, 6970666), (3339, 6313056), (3816, 5523924), (4452, 4734792), (5088, 4142943), (5724, 3682616), (5936, 3551094), (6048, 3485333), (6678, 3156528), (7632, 2761962), (8904, 2367396), (10017, 2104352), (11448, 1841308), (11872, 1775547), (13356, 1578264), (15264, 1380981), (17808, 1183698), (20034, 1052176), (22896, 920654), (26712, 789132), (35616, 591849), (40068, 526088), (45792, 460327), (53424, 394566), (65761, 320544), (80136, 263044), (106848, 197283), (131522, 160272)]