21012622368

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:671

約数の個数: 192

約数和(自身を含む): 57920163840

約数和(自身を除く): 36907541472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 109, 124, 186, 211, 218, 248, 307, 327, 372, 422, 436, 496, 614, 633, 654, 744, 844, 872, 921, 992, 1228, 1266, 1308, 1488, 1688, 1744, 1842, 2456, 2532, 2616, 2976, 3376, 3379, 3488, 3684, 4912, 5064, 5232, 6541, 6752, 6758, 7368, 9517, 9824, 10128, 10137, 10464, 13082, 13516, 14736, 19034, 19623, 20256, 20274, 22999, 26164, 27032, 28551, 29472, 33463, 38068, 39246, 40548, 45998, 52328, 54064, 57102, 64777, 66926, 68997, 76136, 78492, 81096, 91996, 100389, 104656, 108128, 114204, 129554, 133852, 137994, 152272, 156984, 162192, 183992, 194331, 200778, 209312, 228408, 259108, 267704, 275988, 304544, 313968, 324384, 367984, 388662, 401556, 456816, 518216, 535408, 551976, 627936, 712969, 735968, 777324, 803112, 913632, 1036432, 1037353, 1070816, 1103952, 1425938, 1554648, 1606224, 2008087, 2072864, 2074706, 2138907, 2207904, 2851876, 3109296, 3112059, 3212448, 4016174, 4149412, 4277814, 5703752, 6024261, 6218592, 6224118, 7060693, 8032348, 8298824, 8555628, 11407504, 12048522, 12448236, 14121386, 16064696, 16597648, 17111256, 21182079, 22815008, 24097044, 24896472, 28242772, 32129392, 33195296, 34222512, 42364158, 48194088, 49792944, 56485544, 64258784, 68445024, 84728316, 96388176, 99585888, 112971088, 169456632, 192776352, 218881483, 225942176, 338913264, 437762966, 656644449, 677826528, 875525932, 1313288898, 1751051864, 2626577796, 3502103728, 5253155592, 7004207456, 10506311184, 21012622368]

約数ペア:

[(1, 21012622368), (2, 10506311184), (3, 7004207456), (4, 5253155592), (6, 3502103728), (8, 2626577796), (12, 1751051864), (16, 1313288898), (24, 875525932), (31, 677826528), (32, 656644449), (48, 437762966), (62, 338913264), (93, 225942176), (96, 218881483), (109, 192776352), (124, 169456632), (186, 112971088), (211, 99585888), (218, 96388176), (248, 84728316), (307, 68445024), (327, 64258784), (372, 56485544), (422, 49792944), (436, 48194088), (496, 42364158), (614, 34222512), (633, 33195296), (654, 32129392), (744, 28242772), (844, 24896472), (872, 24097044), (921, 22815008), (992, 21182079), (1228, 17111256), (1266, 16597648), (1308, 16064696), (1488, 14121386), (1688, 12448236), (1744, 12048522), (1842, 11407504), (2456, 8555628), (2532, 8298824), (2616, 8032348), (2976, 7060693), (3376, 6224118), (3379, 6218592), (3488, 6024261), (3684, 5703752), (4912, 4277814), (5064, 4149412), (5232, 4016174), (6541, 3212448), (6752, 3112059), (6758, 3109296), (7368, 2851876), (9517, 2207904), (9824, 2138907), (10128, 2074706), (10137, 2072864), (10464, 2008087), (13082, 1606224), (13516, 1554648), (14736, 1425938), (19034, 1103952), (19623, 1070816), (20256, 1037353), (20274, 1036432), (22999, 913632), (26164, 803112), (27032, 777324), (28551, 735968), (29472, 712969), (33463, 627936), (38068, 551976), (39246, 535408), (40548, 518216), (45998, 456816), (52328, 401556), (54064, 388662), (57102, 367984), (64777, 324384), (66926, 313968), (68997, 304544), (76136, 275988), (78492, 267704), (81096, 259108), (91996, 228408), (100389, 209312), (104656, 200778), (108128, 194331), (114204, 183992), (129554, 162192), (133852, 156984), (137994, 152272)]