21836376471

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{461}}^1$

素因数の和:737

約数の個数: 128

約数和(自身を含む): 38547210240

約数和(自身を除く): 16710833769

約数列:

[1, 3, 7, 13, 21, 29, 31, 39, 87, 91, 93, 193, 203, 217, 273, 377, 403, 461, 579, 609, 651, 899, 1131, 1209, 1351, 1383, 2509, 2639, 2697, 2821, 3227, 4053, 5597, 5983, 5993, 6293, 7527, 7917, 8463, 9681, 11687, 13369, 14291, 16791, 17563, 17949, 17979, 18879, 35061, 39179, 40107, 41881, 41951, 42873, 52689, 72761, 77779, 81809, 88973, 93583, 100037, 117537, 125643, 125853, 173507, 173797, 185783, 218283, 233337, 245427, 266919, 280749, 300111, 414439, 509327, 520521, 521391, 544453, 557349, 622811, 1156649, 1214549, 1216579, 1243317, 1300481, 1527981, 1633359, 1868433, 2255591, 2580217, 2758163, 2901073, 3469947, 3643647, 3649737, 3901443, 5387707, 6766773, 7740651, 8096543, 8274489, 8703219, 15789137, 16163121, 18061519, 19307141, 24289629, 33542821, 35856119, 37713949, 47367411, 54184557, 57921423, 79986727, 100628463, 107568357, 113141847, 234799747, 239960181, 250992833, 559907089, 704399241, 752978499, 1039827451, 1679721267, 3119482353, 7278792157, 21836376471]

約数ペア:

[(1, 21836376471), (3, 7278792157), (7, 3119482353), (13, 1679721267), (21, 1039827451), (29, 752978499), (31, 704399241), (39, 559907089), (87, 250992833), (91, 239960181), (93, 234799747), (193, 113141847), (203, 107568357), (217, 100628463), (273, 79986727), (377, 57921423), (403, 54184557), (461, 47367411), (579, 37713949), (609, 35856119), (651, 33542821), (899, 24289629), (1131, 19307141), (1209, 18061519), (1351, 16163121), (1383, 15789137), (2509, 8703219), (2639, 8274489), (2697, 8096543), (2821, 7740651), (3227, 6766773), (4053, 5387707), (5597, 3901443), (5983, 3649737), (5993, 3643647), (6293, 3469947), (7527, 2901073), (7917, 2758163), (8463, 2580217), (9681, 2255591), (11687, 1868433), (13369, 1633359), (14291, 1527981), (16791, 1300481), (17563, 1243317), (17949, 1216579), (17979, 1214549), (18879, 1156649), (35061, 622811), (39179, 557349), (40107, 544453), (41881, 521391), (41951, 520521), (42873, 509327), (52689, 414439), (72761, 300111), (77779, 280749), (81809, 266919), (88973, 245427), (93583, 233337), (100037, 218283), (117537, 185783), (125643, 173797), (125853, 173507)]