21514878

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 144

約数和(自身を含む): 62764416

約数和(自身を除く): 41249538

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 33, 38, 42, 43, 57, 63, 66, 77, 86, 99, 114, 126, 129, 133, 154, 171, 198, 209, 231, 258, 266, 301, 342, 361, 387, 399, 418, 462, 473, 602, 627, 693, 722, 774, 798, 817, 903, 946, 1083, 1197, 1254, 1386, 1419, 1463, 1634, 1806, 1881, 2166, 2394, 2451, 2527, 2709, 2838, 2926, 3249, 3311, 3762, 3971, 4257, 4389, 4902, 5054, 5418, 5719, 6498, 6622, 7353, 7581, 7942, 8514, 8778, 8987, 9933, 11438, 11913, 13167, 14706, 15162, 15523, 17157, 17974, 19866, 22743, 23826, 26334, 26961, 27797, 29799, 31046, 34314, 35739, 45486, 46569, 51471, 53922, 55594, 59598, 62909, 71478, 80883, 83391, 93138, 102942, 108661, 125818, 139707, 161766, 166782, 170753, 188727, 217322, 250173, 279414, 325983, 341506, 377454, 500346, 512259, 566181, 651966, 977949, 1024518, 1132362, 1195271, 1536777, 1955898, 2390542, 3073554, 3585813, 7171626, 10757439, 21514878]

約数ペア:

[(1, 21514878), (2, 10757439), (3, 7171626), (6, 3585813), (7, 3073554), (9, 2390542), (11, 1955898), (14, 1536777), (18, 1195271), (19, 1132362), (21, 1024518), (22, 977949), (33, 651966), (38, 566181), (42, 512259), (43, 500346), (57, 377454), (63, 341506), (66, 325983), (77, 279414), (86, 250173), (99, 217322), (114, 188727), (126, 170753), (129, 166782), (133, 161766), (154, 139707), (171, 125818), (198, 108661), (209, 102942), (231, 93138), (258, 83391), (266, 80883), (301, 71478), (342, 62909), (361, 59598), (387, 55594), (399, 53922), (418, 51471), (462, 46569), (473, 45486), (602, 35739), (627, 34314), (693, 31046), (722, 29799), (774, 27797), (798, 26961), (817, 26334), (903, 23826), (946, 22743), (1083, 19866), (1197, 17974), (1254, 17157), (1386, 15523), (1419, 15162), (1463, 14706), (1634, 13167), (1806, 11913), (1881, 11438), (2166, 9933), (2394, 8987), (2451, 8778), (2527, 8514), (2709, 7942), (2838, 7581), (2926, 7353), (3249, 6622), (3311, 6498), (3762, 5719), (3971, 5418), (4257, 5054), (4389, 4902)]