21537221712

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{45263}}^1$

素因数の和:45728

約数の個数: 80

約数和(自身を含む): 58192846848

約数和(自身を除く): 36655625136

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 431, 552, 862, 1104, 1293, 1724, 2586, 3448, 5172, 6896, 9913, 10344, 19826, 20688, 29739, 39652, 45263, 59478, 79304, 90526, 118956, 135789, 158608, 181052, 237912, 271578, 362104, 475824, 543156, 724208, 1041049, 1086312, 2082098, 2172624, 3123147, 4164196, 6246294, 8328392, 12492588, 16656784, 19508353, 24985176, 39016706, 49970352, 58525059, 78033412, 117050118, 156066824, 234100236, 312133648, 448692119, 468200472, 897384238, 936400944, 1346076357, 1794768476, 2692152714, 3589536952, 5384305428, 7179073904, 10768610856, 21537221712]

約数ペア:

[(1, 21537221712), (2, 10768610856), (3, 7179073904), (4, 5384305428), (6, 3589536952), (8, 2692152714), (12, 1794768476), (16, 1346076357), (23, 936400944), (24, 897384238), (46, 468200472), (48, 448692119), (69, 312133648), (92, 234100236), (138, 156066824), (184, 117050118), (276, 78033412), (368, 58525059), (431, 49970352), (552, 39016706), (862, 24985176), (1104, 19508353), (1293, 16656784), (1724, 12492588), (2586, 8328392), (3448, 6246294), (5172, 4164196), (6896, 3123147), (9913, 2172624), (10344, 2082098), (19826, 1086312), (20688, 1041049), (29739, 724208), (39652, 543156), (45263, 475824), (59478, 362104), (79304, 271578), (90526, 237912), (118956, 181052), (135789, 158608)]