21186516992

素因数分解:

$2^{11}\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1087}}^1$

素因数の和:1447

約数の個数: 96

約数和(自身を含む): 43912028160

約数和(自身を除く): 22725511168

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 307, 496, 512, 614, 992, 1024, 1087, 1228, 1984, 2048, 2174, 2456, 3968, 4348, 4912, 7936, 8696, 9517, 9824, 15872, 17392, 19034, 19648, 31744, 33697, 34784, 38068, 39296, 63488, 67394, 69568, 76136, 78592, 134788, 139136, 152272, 157184, 269576, 278272, 304544, 314368, 333709, 539152, 556544, 609088, 628736, 667418, 1078304, 1113088, 1218176, 1334836, 2156608, 2226176, 2436352, 2669672, 4313216, 4872704, 5339344, 8626432, 9745408, 10344979, 10678688, 17252864, 19490816, 20689958, 21357376, 34505728, 41379916, 42714752, 69011456, 82759832, 85429504, 165519664, 170859008, 331039328, 341718016, 662078656, 683436032, 1324157312, 2648314624, 5296629248, 10593258496, 21186516992]

約数ペア:

[(1, 21186516992), (2, 10593258496), (4, 5296629248), (8, 2648314624), (16, 1324157312), (31, 683436032), (32, 662078656), (62, 341718016), (64, 331039328), (124, 170859008), (128, 165519664), (248, 85429504), (256, 82759832), (307, 69011456), (496, 42714752), (512, 41379916), (614, 34505728), (992, 21357376), (1024, 20689958), (1087, 19490816), (1228, 17252864), (1984, 10678688), (2048, 10344979), (2174, 9745408), (2456, 8626432), (3968, 5339344), (4348, 4872704), (4912, 4313216), (7936, 2669672), (8696, 2436352), (9517, 2226176), (9824, 2156608), (15872, 1334836), (17392, 1218176), (19034, 1113088), (19648, 1078304), (31744, 667418), (33697, 628736), (34784, 609088), (38068, 556544), (39296, 539152), (63488, 333709), (67394, 314368), (69568, 304544), (76136, 278272), (78592, 269576), (134788, 157184), (139136, 152272)]