21512064

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 66977280

約数和(自身を除く): 45465216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 53, 56, 64, 84, 96, 106, 112, 128, 151, 159, 168, 192, 212, 224, 302, 318, 336, 371, 384, 424, 448, 453, 604, 636, 672, 742, 848, 896, 906, 1057, 1113, 1208, 1272, 1344, 1484, 1696, 1812, 2114, 2226, 2416, 2544, 2688, 2968, 3171, 3392, 3624, 4228, 4452, 4832, 5088, 5936, 6342, 6784, 7248, 8003, 8456, 8904, 9664, 10176, 11872, 12684, 14496, 16006, 16912, 17808, 19328, 20352, 23744, 24009, 25368, 28992, 32012, 33824, 35616, 47488, 48018, 50736, 56021, 57984, 64024, 67648, 71232, 96036, 101472, 112042, 128048, 135296, 142464, 168063, 192072, 202944, 224084, 256096, 336126, 384144, 405888, 448168, 512192, 672252, 768288, 896336, 1024384, 1344504, 1536576, 1792672, 2689008, 3073152, 3585344, 5378016, 7170688, 10756032, 21512064]

約数ペア:

[(1, 21512064), (2, 10756032), (3, 7170688), (4, 5378016), (6, 3585344), (7, 3073152), (8, 2689008), (12, 1792672), (14, 1536576), (16, 1344504), (21, 1024384), (24, 896336), (28, 768288), (32, 672252), (42, 512192), (48, 448168), (53, 405888), (56, 384144), (64, 336126), (84, 256096), (96, 224084), (106, 202944), (112, 192072), (128, 168063), (151, 142464), (159, 135296), (168, 128048), (192, 112042), (212, 101472), (224, 96036), (302, 71232), (318, 67648), (336, 64024), (371, 57984), (384, 56021), (424, 50736), (448, 48018), (453, 47488), (604, 35616), (636, 33824), (672, 32012), (742, 28992), (848, 25368), (896, 24009), (906, 23744), (1057, 20352), (1113, 19328), (1208, 17808), (1272, 16912), (1344, 16006), (1484, 14496), (1696, 12684), (1812, 11872), (2114, 10176), (2226, 9664), (2416, 8904), (2544, 8456), (2688, 8003), (2968, 7248), (3171, 6784), (3392, 6342), (3624, 5936), (4228, 5088), (4452, 4832)]