21358744576

素因数分解:

$2^{10}\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{1487}}^1$

素因数の和:1616

約数の個数: 132

約数和(自身を含む): 46822128192

約数和(自身を除く): 25463383616

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 83, 104, 128, 166, 169, 208, 256, 332, 338, 416, 512, 664, 676, 832, 1024, 1079, 1328, 1352, 1487, 1664, 2158, 2656, 2704, 2974, 3328, 4316, 5312, 5408, 5948, 6656, 8632, 10624, 10816, 11896, 13312, 14027, 17264, 19331, 21248, 21632, 23792, 28054, 34528, 38662, 42496, 43264, 47584, 56108, 69056, 77324, 84992, 86528, 95168, 112216, 123421, 138112, 154648, 173056, 190336, 224432, 246842, 251303, 276224, 309296, 380672, 448864, 493684, 502606, 552448, 618592, 761344, 897728, 987368, 1005212, 1104896, 1237184, 1522688, 1604473, 1795456, 1974736, 2010424, 2474368, 3208946, 3590912, 3949472, 4020848, 4948736, 6417892, 7181824, 7898944, 8041696, 9897472, 12835784, 14363648, 15797888, 16083392, 19794944, 20858149, 25671568, 31595776, 32166784, 41716298, 51343136, 63191552, 64333568, 83432596, 102686272, 126383104, 128667136, 166865192, 205372544, 257334272, 333730384, 410745088, 667460768, 821490176, 1334921536, 1642980352, 2669843072, 5339686144, 10679372288, 21358744576]

約数ペア:

[(1, 21358744576), (2, 10679372288), (4, 5339686144), (8, 2669843072), (13, 1642980352), (16, 1334921536), (26, 821490176), (32, 667460768), (52, 410745088), (64, 333730384), (83, 257334272), (104, 205372544), (128, 166865192), (166, 128667136), (169, 126383104), (208, 102686272), (256, 83432596), (332, 64333568), (338, 63191552), (416, 51343136), (512, 41716298), (664, 32166784), (676, 31595776), (832, 25671568), (1024, 20858149), (1079, 19794944), (1328, 16083392), (1352, 15797888), (1487, 14363648), (1664, 12835784), (2158, 9897472), (2656, 8041696), (2704, 7898944), (2974, 7181824), (3328, 6417892), (4316, 4948736), (5312, 4020848), (5408, 3949472), (5948, 3590912), (6656, 3208946), (8632, 2474368), (10624, 2010424), (10816, 1974736), (11896, 1795456), (13312, 1604473), (14027, 1522688), (17264, 1237184), (19331, 1104896), (21248, 1005212), (21632, 987368), (23792, 897728), (28054, 761344), (34528, 618592), (38662, 552448), (42496, 502606), (43264, 493684), (47584, 448864), (56108, 380672), (69056, 309296), (77324, 276224), (84992, 251303), (86528, 246842), (95168, 224432), (112216, 190336), (123421, 173056), (138112, 154648)]