21019281024

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{147541}}^1$

素因数の和:147618

約数の個数: 128

約数和(自身を含む): 65012906880

約数和(自身を除く): 43993625856

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, 159, 168, 192, 212, 224, 318, 336, 371, 384, 424, 448, 636, 672, 742, 848, 896, 1113, 1272, 1344, 1484, 1696, 2226, 2544, 2688, 2968, 3392, 4452, 5088, 5936, 6784, 8904, 10176, 11872, 17808, 20352, 23744, 35616, 47488, 71232, 142464, 147541, 295082, 442623, 590164, 885246, 1032787, 1180328, 1770492, 2065574, 2360656, 3098361, 3540984, 4131148, 4721312, 6196722, 7081968, 7819673, 8262296, 9442624, 12393444, 14163936, 15639346, 16524592, 18885248, 23459019, 24786888, 28327872, 31278692, 33049184, 46918038, 49573776, 54737711, 56655744, 62557384, 66098368, 93836076, 99147552, 109475422, 125114768, 132196736, 164213133, 187672152, 198295104, 218950844, 250229536, 328426266, 375344304, 396590208, 437901688, 500459072, 656852532, 750688608, 875803376, 1000918144, 1313705064, 1501377216, 1751606752, 2627410128, 3002754432, 3503213504, 5254820256, 7006427008, 10509640512, 21019281024]

約数ペア:

[(1, 21019281024), (2, 10509640512), (3, 7006427008), (4, 5254820256), (6, 3503213504), (7, 3002754432), (8, 2627410128), (12, 1751606752), (14, 1501377216), (16, 1313705064), (21, 1000918144), (24, 875803376), (28, 750688608), (32, 656852532), (42, 500459072), (48, 437901688), (53, 396590208), (56, 375344304), (64, 328426266), (84, 250229536), (96, 218950844), (106, 198295104), (112, 187672152), (128, 164213133), (159, 132196736), (168, 125114768), (192, 109475422), (212, 99147552), (224, 93836076), (318, 66098368), (336, 62557384), (371, 56655744), (384, 54737711), (424, 49573776), (448, 46918038), (636, 33049184), (672, 31278692), (742, 28327872), (848, 24786888), (896, 23459019), (1113, 18885248), (1272, 16524592), (1344, 15639346), (1484, 14163936), (1696, 12393444), (2226, 9442624), (2544, 8262296), (2688, 7819673), (2968, 7081968), (3392, 6196722), (4452, 4721312), (5088, 4131148), (5936, 3540984), (6784, 3098361), (8904, 2360656), (10176, 2065574), (11872, 1770492), (17808, 1180328), (20352, 1032787), (23744, 885246), (35616, 590164), (47488, 442623), (71232, 295082), (142464, 147541)]