21340044

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 64350720

約数和(自身を除く): 43010676

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 27, 33, 36, 44, 46, 54, 66, 69, 71, 92, 99, 108, 121, 132, 138, 142, 198, 207, 213, 242, 253, 276, 284, 297, 363, 396, 414, 426, 484, 506, 594, 621, 639, 726, 759, 781, 828, 852, 1012, 1089, 1188, 1242, 1278, 1452, 1518, 1562, 1633, 1917, 2178, 2277, 2343, 2484, 2556, 2783, 3036, 3124, 3266, 3267, 3834, 4356, 4554, 4686, 4899, 5566, 6532, 6534, 6831, 7029, 7668, 8349, 8591, 9108, 9372, 9798, 11132, 13068, 13662, 14058, 14697, 16698, 17182, 17963, 19596, 21087, 25047, 25773, 27324, 28116, 29394, 33396, 34364, 35926, 42174, 44091, 50094, 51546, 53889, 58788, 71852, 75141, 77319, 84348, 88182, 100188, 103092, 107778, 150282, 154638, 161667, 176364, 197593, 215556, 231957, 300564, 309276, 323334, 395186, 463914, 485001, 592779, 646668, 790372, 927828, 970002, 1185558, 1778337, 1940004, 2371116, 3556674, 5335011, 7113348, 10670022, 21340044]

約数ペア:

[(1, 21340044), (2, 10670022), (3, 7113348), (4, 5335011), (6, 3556674), (9, 2371116), (11, 1940004), (12, 1778337), (18, 1185558), (22, 970002), (23, 927828), (27, 790372), (33, 646668), (36, 592779), (44, 485001), (46, 463914), (54, 395186), (66, 323334), (69, 309276), (71, 300564), (92, 231957), (99, 215556), (108, 197593), (121, 176364), (132, 161667), (138, 154638), (142, 150282), (198, 107778), (207, 103092), (213, 100188), (242, 88182), (253, 84348), (276, 77319), (284, 75141), (297, 71852), (363, 58788), (396, 53889), (414, 51546), (426, 50094), (484, 44091), (506, 42174), (594, 35926), (621, 34364), (639, 33396), (726, 29394), (759, 28116), (781, 27324), (828, 25773), (852, 25047), (1012, 21087), (1089, 19596), (1188, 17963), (1242, 17182), (1278, 16698), (1452, 14697), (1518, 14058), (1562, 13662), (1633, 13068), (1917, 11132), (2178, 9798), (2277, 9372), (2343, 9108), (2484, 8591), (2556, 8349), (2783, 7668), (3036, 7029), (3124, 6831), (3266, 6534), (3267, 6532), (3834, 5566), (4356, 4899), (4554, 4686)]