21022176

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 66361680

約数和(自身を除く): 45339504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 49, 56, 82, 84, 96, 98, 109, 112, 123, 147, 164, 168, 196, 218, 224, 246, 287, 294, 327, 328, 336, 392, 436, 492, 574, 588, 654, 656, 672, 763, 784, 861, 872, 984, 1148, 1176, 1308, 1312, 1526, 1568, 1722, 1744, 1968, 2009, 2289, 2296, 2352, 2616, 3052, 3444, 3488, 3936, 4018, 4469, 4578, 4592, 4704, 5232, 5341, 6027, 6104, 6888, 8036, 8938, 9156, 9184, 10464, 10682, 12054, 12208, 13407, 13776, 16023, 16072, 17876, 18312, 21364, 24108, 24416, 26814, 27552, 31283, 32046, 32144, 35752, 36624, 42728, 48216, 53628, 62566, 64092, 64288, 71504, 73248, 85456, 93849, 96432, 107256, 125132, 128184, 143008, 170912, 187698, 192864, 214512, 218981, 250264, 256368, 375396, 429024, 437962, 500528, 512736, 656943, 750792, 875924, 1001056, 1313886, 1501584, 1751848, 2627772, 3003168, 3503696, 5255544, 7007392, 10511088, 21022176]

約数ペア:

[(1, 21022176), (2, 10511088), (3, 7007392), (4, 5255544), (6, 3503696), (7, 3003168), (8, 2627772), (12, 1751848), (14, 1501584), (16, 1313886), (21, 1001056), (24, 875924), (28, 750792), (32, 656943), (41, 512736), (42, 500528), (48, 437962), (49, 429024), (56, 375396), (82, 256368), (84, 250264), (96, 218981), (98, 214512), (109, 192864), (112, 187698), (123, 170912), (147, 143008), (164, 128184), (168, 125132), (196, 107256), (218, 96432), (224, 93849), (246, 85456), (287, 73248), (294, 71504), (327, 64288), (328, 64092), (336, 62566), (392, 53628), (436, 48216), (492, 42728), (574, 36624), (588, 35752), (654, 32144), (656, 32046), (672, 31283), (763, 27552), (784, 26814), (861, 24416), (872, 24108), (984, 21364), (1148, 18312), (1176, 17876), (1308, 16072), (1312, 16023), (1526, 13776), (1568, 13407), (1722, 12208), (1744, 12054), (1968, 10682), (2009, 10464), (2289, 9184), (2296, 9156), (2352, 8938), (2616, 8036), (3052, 6888), (3444, 6104), (3488, 6027), (3936, 5341), (4018, 5232), (4469, 4704), (4578, 4592)]