21403216.000000000

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^3\times {\mathrm{17}}^2$

素因数の和:88

約数の個数: 168

約数和(自身を含む): 371175280

約数和(自身を除く): 249268144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 64, 68, 78, 96, 102, 104, 136, 156, 169, 192, 204, 208, 221, 272, 289, 312, 338, 408, 416, 442, 507, 544, 578, 624, 663, 676, 816, 832, 867, 884, 1014, 1088, 1156, 1248, 1326, 1352, 1632, 1734, 1768, 2028, 2197, 2312, 2496, 2652, 2704, 2873, 3264, 3468, 3536, 3757, 4056, 4394, 4624, 5304, 5408, 5746, 6591, 6936, 7072, 7514, 8112, 8619, 8788, 9248, 10608, 10816, 11271, 11492, 13182, 13872, 14144, 15028, 16224, 17238, 17576, 18496, 21216, 22542, 22984, 26364, 27744, 30056, 32448, 34476, 35152, 37349, 42432, 45084, 45968, 48841, 52728, 55488, 60112, 68952, 70304, 74698, 90168, 91936, 97682, 105456, 112047, 120224, 137904, 140608, 146523, 149396, 180336, 183872, 195364, 210912, 224094, 240448, 275808, 293046, 298792, 360672, 390728, 421824, 448188, 551616, 586092, 597584, 634933, 721344, 781456, 896376, 1172184, 1195168, 1269866, 1562912, 1792752, 1904799, 2344368, 2390336, 2539732, 3125824, 3585504, 3809598, 4688736, 5079464, 7171008, 7619196, 9377472, 10158928, 15238392, 20317856, 30476784, 40635712, 60953568, 121907136]

約数ペア:

[(1, 121907136), (2, 60953568), (3, 40635712), (4, 30476784), (6, 20317856), (8, 15238392), (12, 10158928), (13, 9377472), (16, 7619196), (17, 7171008), (24, 5079464), (26, 4688736), (32, 3809598), (34, 3585504), (39, 3125824), (48, 2539732), (51, 2390336), (52, 2344368), (64, 1904799), (68, 1792752), (78, 1562912), (96, 1269866), (102, 1195168), (104, 1172184), (136, 896376), (156, 781456), (169, 721344), (192, 634933), (204, 597584), (208, 586092), (221, 551616), (272, 448188), (289, 421824), (312, 390728), (338, 360672), (408, 298792), (416, 293046), (442, 275808), (507, 240448), (544, 224094), (578, 210912), (624, 195364), (663, 183872), (676, 180336), (816, 149396), (832, 146523), (867, 140608), (884, 137904), (1014, 120224), (1088, 112047), (1156, 105456), (1248, 97682), (1326, 91936), (1352, 90168), (1632, 74698), (1734, 70304), (1768, 68952), (2028, 60112), (2197, 55488), (2312, 52728), (2496, 48841), (2652, 45968), (2704, 45084), (2873, 42432), (3264, 37349), (3468, 35152), (3536, 34476), (3757, 32448), (4056, 30056), (4394, 27744), (4624, 26364), (5304, 22984), (5408, 22542), (5746, 21216), (6591, 18496), (6936, 17576), (7072, 17238), (7514, 16224), (8112, 15028), (8619, 14144), (8788, 13872), (9248, 13182), (10608, 11492), (10816, 11271)]