21065616

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 240

約数和(自身を含む): 73884160

約数和(自身を除く): 52818544

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 27, 31, 33, 36, 39, 44, 48, 52, 54, 62, 66, 72, 78, 88, 93, 99, 104, 108, 117, 121, 124, 132, 143, 144, 156, 176, 186, 198, 208, 216, 234, 242, 248, 264, 279, 286, 297, 312, 341, 351, 363, 372, 396, 403, 429, 432, 468, 484, 496, 528, 558, 572, 594, 624, 682, 702, 726, 744, 792, 806, 837, 858, 936, 968, 1023, 1089, 1116, 1144, 1188, 1209, 1287, 1364, 1404, 1452, 1488, 1573, 1584, 1612, 1674, 1716, 1872, 1936, 2046, 2178, 2232, 2288, 2376, 2418, 2574, 2728, 2808, 2904, 3069, 3146, 3224, 3267, 3348, 3432, 3627, 3751, 3861, 4092, 4356, 4433, 4464, 4719, 4752, 4836, 5148, 5456, 5616, 5808, 6138, 6292, 6448, 6534, 6696, 6864, 7254, 7502, 7722, 8184, 8712, 8866, 9207, 9438, 9672, 10296, 10881, 11253, 12276, 12584, 13068, 13299, 13392, 14157, 14508, 15004, 15444, 16368, 17424, 17732, 18414, 18876, 19344, 20592, 21762, 22506, 24552, 25168, 26136, 26598, 28314, 29016, 30008, 30888, 33759, 35464, 36828, 37752, 39897, 42471, 43524, 45012, 48763, 49104, 52272, 53196, 56628, 58032, 60016, 61776, 67518, 70928, 73656, 75504, 79794, 84942, 87048, 90024, 97526, 101277, 106392, 113256, 119691, 135036, 146289, 147312, 159588, 169884, 174096, 180048, 195052, 202554, 212784, 226512, 239382, 270072, 292578, 319176, 339768, 390104, 405108, 438867, 478764, 540144, 585156, 638352, 679536, 780208, 810216, 877734, 957528, 1170312, 1316601, 1620432, 1755468, 1915056, 2340624, 2633202, 3510936, 5266404, 7021872, 10532808, 21065616]

約数ペア:

[(1, 21065616), (2, 10532808), (3, 7021872), (4, 5266404), (6, 3510936), (8, 2633202), (9, 2340624), (11, 1915056), (12, 1755468), (13, 1620432), (16, 1316601), (18, 1170312), (22, 957528), (24, 877734), (26, 810216), (27, 780208), (31, 679536), (33, 638352), (36, 585156), (39, 540144), (44, 478764), (48, 438867), (52, 405108), (54, 390104), (62, 339768), (66, 319176), (72, 292578), (78, 270072), (88, 239382), (93, 226512), (99, 212784), (104, 202554), (108, 195052), (117, 180048), (121, 174096), (124, 169884), (132, 159588), (143, 147312), (144, 146289), (156, 135036), (176, 119691), (186, 113256), (198, 106392), (208, 101277), (216, 97526), (234, 90024), (242, 87048), (248, 84942), (264, 79794), (279, 75504), (286, 73656), (297, 70928), (312, 67518), (341, 61776), (351, 60016), (363, 58032), (372, 56628), (396, 53196), (403, 52272), (429, 49104), (432, 48763), (468, 45012), (484, 43524), (496, 42471), (528, 39897), (558, 37752), (572, 36828), (594, 35464), (624, 33759), (682, 30888), (702, 30008), (726, 29016), (744, 28314), (792, 26598), (806, 26136), (837, 25168), (858, 24552), (936, 22506), (968, 21762), (1023, 20592), (1089, 19344), (1116, 18876), (1144, 18414), (1188, 17732), (1209, 17424), (1287, 16368), (1364, 15444), (1404, 15004), (1452, 14508), (1488, 14157), (1573, 13392), (1584, 13299), (1612, 13068), (1674, 12584), (1716, 12276), (1872, 11253), (1936, 10881), (2046, 10296), (2178, 9672), (2232, 9438), (2288, 9207), (2376, 8866), (2418, 8712), (2574, 8184), (2728, 7722), (2808, 7502), (2904, 7254), (3069, 6864), (3146, 6696), (3224, 6534), (3267, 6448), (3348, 6292), (3432, 6138), (3627, 5808), (3751, 5616), (3861, 5456), (4092, 5148), (4356, 4836), (4433, 4752), (4464, 4719)]