21868308

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 180

約数和(自身を含む): 73408608

約数和(自身を除く): 51540300

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 23, 28, 33, 36, 42, 44, 46, 49, 63, 66, 69, 77, 84, 92, 98, 99, 126, 132, 138, 147, 154, 161, 196, 198, 207, 231, 252, 253, 276, 294, 308, 322, 343, 396, 414, 441, 462, 483, 506, 539, 588, 644, 686, 693, 759, 828, 882, 924, 966, 1012, 1029, 1078, 1127, 1372, 1386, 1449, 1518, 1617, 1764, 1771, 1932, 2058, 2156, 2254, 2277, 2401, 2772, 2898, 3036, 3087, 3234, 3381, 3542, 3773, 4116, 4508, 4554, 4802, 4851, 5313, 5796, 6174, 6468, 6762, 7084, 7203, 7546, 7889, 9108, 9604, 9702, 10143, 10626, 11319, 12348, 12397, 13524, 14406, 15092, 15778, 15939, 19404, 20286, 21252, 21609, 22638, 23667, 24794, 26411, 28812, 31556, 31878, 33957, 37191, 40572, 43218, 45276, 47334, 49588, 52822, 55223, 63756, 67914, 71001, 74382, 79233, 86436, 86779, 94668, 105644, 110446, 111573, 135828, 142002, 148764, 158466, 165669, 173558, 220892, 223146, 237699, 260337, 284004, 316932, 331338, 347116, 446292, 475398, 497007, 520674, 607453, 662676, 781011, 950796, 994014, 1041348, 1214906, 1562022, 1822359, 1988028, 2429812, 3124044, 3644718, 5467077, 7289436, 10934154, 21868308]

約数ペア:

[(1, 21868308), (2, 10934154), (3, 7289436), (4, 5467077), (6, 3644718), (7, 3124044), (9, 2429812), (11, 1988028), (12, 1822359), (14, 1562022), (18, 1214906), (21, 1041348), (22, 994014), (23, 950796), (28, 781011), (33, 662676), (36, 607453), (42, 520674), (44, 497007), (46, 475398), (49, 446292), (63, 347116), (66, 331338), (69, 316932), (77, 284004), (84, 260337), (92, 237699), (98, 223146), (99, 220892), (126, 173558), (132, 165669), (138, 158466), (147, 148764), (154, 142002), (161, 135828), (196, 111573), (198, 110446), (207, 105644), (231, 94668), (252, 86779), (253, 86436), (276, 79233), (294, 74382), (308, 71001), (322, 67914), (343, 63756), (396, 55223), (414, 52822), (441, 49588), (462, 47334), (483, 45276), (506, 43218), (539, 40572), (588, 37191), (644, 33957), (686, 31878), (693, 31556), (759, 28812), (828, 26411), (882, 24794), (924, 23667), (966, 22638), (1012, 21609), (1029, 21252), (1078, 20286), (1127, 19404), (1372, 15939), (1386, 15778), (1449, 15092), (1518, 14406), (1617, 13524), (1764, 12397), (1771, 12348), (1932, 11319), (2058, 10626), (2156, 10143), (2254, 9702), (2277, 9604), (2401, 9108), (2772, 7889), (2898, 7546), (3036, 7203), (3087, 7084), (3234, 6762), (3381, 6468), (3542, 6174), (3773, 5796), (4116, 5313), (4508, 4851), (4554, 4802)]