21855504

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 64120896

約数和(自身を除く): 42265392

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 53, 66, 71, 88, 106, 121, 132, 142, 159, 176, 212, 213, 242, 264, 284, 318, 363, 424, 426, 484, 528, 568, 583, 636, 726, 781, 848, 852, 968, 1136, 1166, 1272, 1452, 1562, 1704, 1749, 1936, 2332, 2343, 2544, 2904, 3124, 3408, 3498, 3763, 4664, 4686, 5808, 6248, 6413, 6996, 7526, 8591, 9328, 9372, 11289, 12496, 12826, 13992, 15052, 17182, 18744, 19239, 22578, 25652, 25773, 27984, 30104, 34364, 37488, 38478, 41393, 45156, 51304, 51546, 60208, 68728, 76956, 82786, 90312, 102608, 103092, 124179, 137456, 153912, 165572, 180624, 206184, 248358, 307824, 331144, 412368, 455323, 496716, 662288, 910646, 993432, 1365969, 1821292, 1986864, 2731938, 3642584, 5463876, 7285168, 10927752, 21855504]

約数ペア:

[(1, 21855504), (2, 10927752), (3, 7285168), (4, 5463876), (6, 3642584), (8, 2731938), (11, 1986864), (12, 1821292), (16, 1365969), (22, 993432), (24, 910646), (33, 662288), (44, 496716), (48, 455323), (53, 412368), (66, 331144), (71, 307824), (88, 248358), (106, 206184), (121, 180624), (132, 165572), (142, 153912), (159, 137456), (176, 124179), (212, 103092), (213, 102608), (242, 90312), (264, 82786), (284, 76956), (318, 68728), (363, 60208), (424, 51546), (426, 51304), (484, 45156), (528, 41393), (568, 38478), (583, 37488), (636, 34364), (726, 30104), (781, 27984), (848, 25773), (852, 25652), (968, 22578), (1136, 19239), (1166, 18744), (1272, 17182), (1452, 15052), (1562, 13992), (1704, 12826), (1749, 12496), (1936, 11289), (2332, 9372), (2343, 9328), (2544, 8591), (2904, 7526), (3124, 6996), (3408, 6413), (3498, 6248), (3763, 5808), (4664, 4686)]