21228692.000000000

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 256

約数和(自身を含む): 559872000

約数和(自身を除く): 389280264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 23, 24, 28, 34, 42, 46, 49, 51, 53, 56, 68, 69, 84, 92, 98, 102, 106, 119, 136, 138, 147, 159, 161, 168, 184, 196, 204, 212, 238, 276, 294, 318, 322, 343, 357, 371, 391, 392, 408, 424, 476, 483, 552, 588, 636, 644, 686, 714, 742, 782, 833, 901, 952, 966, 1029, 1113, 1127, 1173, 1176, 1219, 1272, 1288, 1372, 1428, 1484, 1564, 1666, 1802, 1932, 2058, 2226, 2254, 2346, 2438, 2499, 2597, 2703, 2737, 2744, 2856, 2968, 3128, 3332, 3381, 3604, 3657, 3864, 4116, 4452, 4508, 4692, 4876, 4998, 5194, 5406, 5474, 5831, 6307, 6664, 6762, 7208, 7314, 7791, 7889, 8211, 8232, 8533, 8904, 9016, 9384, 9752, 9996, 10388, 10812, 10948, 11662, 12614, 13524, 14628, 15582, 15778, 16422, 17066, 17493, 18179, 18921, 19159, 19992, 20723, 20776, 21624, 21896, 23324, 23667, 25228, 25599, 27048, 29256, 31164, 31556, 32844, 34132, 34986, 36358, 37842, 38318, 41446, 44149, 46648, 47334, 50456, 51198, 54537, 57477, 59731, 62169, 62328, 63112, 65688, 68264, 69972, 72716, 75684, 76636, 82892, 88298, 94668, 102396, 109074, 114954, 119462, 124338, 132447, 134113, 139944, 145061, 145432, 151368, 153272, 165784, 176596, 179193, 189336, 204792, 218148, 229908, 238924, 248676, 264894, 268226, 290122, 309043, 353192, 358386, 402339, 418117, 435183, 436296, 459816, 477848, 497352, 529788, 536452, 580244, 618086, 716772, 804678, 836234, 870366, 927129, 1015427, 1059576, 1072904, 1160488, 1236172, 1254351, 1433544, 1609356, 1672468, 1740732, 1854258, 2030854, 2472344, 2508702, 3046281, 3218712, 3344936, 3481464, 3708516, 4061708, 5017404, 6092562, 7107989, 7417032, 8123416, 10034808, 12185124, 14215978, 21323967, 24370248, 28431956, 42647934, 56863912, 85295868, 170591736]

約数ペア:

[(1, 170591736), (2, 85295868), (3, 56863912), (4, 42647934), (6, 28431956), (7, 24370248), (8, 21323967), (12, 14215978), (14, 12185124), (17, 10034808), (21, 8123416), (23, 7417032), (24, 7107989), (28, 6092562), (34, 5017404), (42, 4061708), (46, 3708516), (49, 3481464), (51, 3344936), (53, 3218712), (56, 3046281), (68, 2508702), (69, 2472344), (84, 2030854), (92, 1854258), (98, 1740732), (102, 1672468), (106, 1609356), (119, 1433544), (136, 1254351), (138, 1236172), (147, 1160488), (159, 1072904), (161, 1059576), (168, 1015427), (184, 927129), (196, 870366), (204, 836234), (212, 804678), (238, 716772), (276, 618086), (294, 580244), (318, 536452), (322, 529788), (343, 497352), (357, 477848), (371, 459816), (391, 436296), (392, 435183), (408, 418117), (424, 402339), (476, 358386), (483, 353192), (552, 309043), (588, 290122), (636, 268226), (644, 264894), (686, 248676), (714, 238924), (742, 229908), (782, 218148), (833, 204792), (901, 189336), (952, 179193), (966, 176596), (1029, 165784), (1113, 153272), (1127, 151368), (1173, 145432), (1176, 145061), (1219, 139944), (1272, 134113), (1288, 132447), (1372, 124338), (1428, 119462), (1484, 114954), (1564, 109074), (1666, 102396), (1802, 94668), (1932, 88298), (2058, 82892), (2226, 76636), (2254, 75684), (2346, 72716), (2438, 69972), (2499, 68264), (2597, 65688), (2703, 63112), (2737, 62328), (2744, 62169), (2856, 59731), (2968, 57477), (3128, 54537), (3332, 51198), (3381, 50456), (3604, 47334), (3657, 46648), (3864, 44149), (4116, 41446), (4452, 38318), (4508, 37842), (4692, 36358), (4876, 34986), (4998, 34132), (5194, 32844), (5406, 31556), (5474, 31164), (5831, 29256), (6307, 27048), (6664, 25599), (6762, 25228), (7208, 23667), (7314, 23324), (7791, 21896), (7889, 21624), (8211, 20776), (8232, 20723), (8533, 19992), (8904, 19159), (9016, 18921), (9384, 18179), (9752, 17493), (9996, 17066), (10388, 16422), (10812, 15778), (10948, 15582), (11662, 14628), (12614, 13524)]