21000895434

素因数分解:

$2^1\times 3^5\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{6871}}^1$

素因数の和:7238

約数の個数: 96

約数和(自身を含む): 49828047360

約数和(自身を除く): 28827151926

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 331, 342, 486, 513, 662, 993, 1026, 1539, 1986, 2979, 3078, 4617, 5958, 6289, 6871, 8937, 9234, 12578, 13742, 17874, 18867, 20613, 26811, 37734, 41226, 53622, 56601, 61839, 80433, 113202, 123678, 130549, 160866, 169803, 185517, 261098, 339606, 371034, 391647, 509409, 556551, 783294, 1018818, 1113102, 1174941, 1528227, 1669653, 2274301, 2349882, 3056454, 3339306, 3524823, 4548602, 6822903, 7049646, 10574469, 13645806, 20468709, 21148938, 31723407, 40937418, 43211719, 61406127, 63446814, 86423438, 122812254, 129635157, 184218381, 259270314, 368436762, 388905471, 552655143, 777810942, 1105310286, 1166716413, 2333432826, 3500149239, 7000298478, 10500447717, 21000895434]

約数ペア:

[(1, 21000895434), (2, 10500447717), (3, 7000298478), (6, 3500149239), (9, 2333432826), (18, 1166716413), (19, 1105310286), (27, 777810942), (38, 552655143), (54, 388905471), (57, 368436762), (81, 259270314), (114, 184218381), (162, 129635157), (171, 122812254), (243, 86423438), (331, 63446814), (342, 61406127), (486, 43211719), (513, 40937418), (662, 31723407), (993, 21148938), (1026, 20468709), (1539, 13645806), (1986, 10574469), (2979, 7049646), (3078, 6822903), (4617, 4548602), (5958, 3524823), (6289, 3339306), (6871, 3056454), (8937, 2349882), (9234, 2274301), (12578, 1669653), (13742, 1528227), (17874, 1174941), (18867, 1113102), (20613, 1018818), (26811, 783294), (37734, 556551), (41226, 509409), (53622, 391647), (56601, 371034), (61839, 339606), (80433, 261098), (113202, 185517), (123678, 169803), (130549, 160866)]