21850173440

素因数分解:

$2^{12}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:790

約数の個数: 208

約数和(自身を含む): 56177416512

約数和(自身を除く): 34327243072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 97, 128, 136, 160, 170, 194, 256, 272, 320, 340, 388, 485, 512, 544, 640, 647, 680, 776, 970, 1024, 1088, 1280, 1294, 1360, 1552, 1649, 1940, 2048, 2176, 2560, 2588, 2720, 3104, 3235, 3298, 3880, 4096, 4352, 5120, 5176, 5440, 6208, 6470, 6596, 7760, 8245, 8704, 10240, 10352, 10880, 10999, 12416, 12940, 13192, 15520, 16490, 17408, 20480, 20704, 21760, 21998, 24832, 25880, 26384, 31040, 32980, 34816, 41408, 43520, 43996, 49664, 51760, 52768, 54995, 62080, 62759, 65960, 69632, 82816, 87040, 87992, 99328, 103520, 105536, 109990, 124160, 125518, 131920, 165632, 174080, 175984, 198656, 207040, 211072, 219980, 248320, 251036, 263840, 313795, 331264, 348160, 351968, 397312, 414080, 422144, 439960, 496640, 502072, 527680, 627590, 662528, 703936, 828160, 844288, 879920, 993280, 1004144, 1055360, 1066903, 1255180, 1325056, 1407872, 1656320, 1688576, 1759840, 1986560, 2008288, 2110720, 2133806, 2510360, 2650112, 2815744, 3312640, 3377152, 3519680, 4016576, 4221440, 4267612, 5020720, 5334515, 5631488, 6625280, 6754304, 7039360, 8033152, 8442880, 8535224, 10041440, 10669030, 11262976, 13250560, 14078720, 16066304, 16885760, 17070448, 20082880, 21338060, 22525952, 28157440, 32132608, 33771520, 34140896, 40165760, 42676120, 45051904, 56314880, 64265216, 68281792, 80331520, 85352240, 112629760, 128530432, 136563584, 160663040, 170704480, 225259520, 257060864, 273127168, 321326080, 341408960, 546254336, 642652160, 682817920, 1092508672, 1285304320, 1365635840, 2185017344, 2731271680, 4370034688, 5462543360, 10925086720, 21850173440]

約数ペア:

[(1, 21850173440), (2, 10925086720), (4, 5462543360), (5, 4370034688), (8, 2731271680), (10, 2185017344), (16, 1365635840), (17, 1285304320), (20, 1092508672), (32, 682817920), (34, 642652160), (40, 546254336), (64, 341408960), (68, 321326080), (80, 273127168), (85, 257060864), (97, 225259520), (128, 170704480), (136, 160663040), (160, 136563584), (170, 128530432), (194, 112629760), (256, 85352240), (272, 80331520), (320, 68281792), (340, 64265216), (388, 56314880), (485, 45051904), (512, 42676120), (544, 40165760), (640, 34140896), (647, 33771520), (680, 32132608), (776, 28157440), (970, 22525952), (1024, 21338060), (1088, 20082880), (1280, 17070448), (1294, 16885760), (1360, 16066304), (1552, 14078720), (1649, 13250560), (1940, 11262976), (2048, 10669030), (2176, 10041440), (2560, 8535224), (2588, 8442880), (2720, 8033152), (3104, 7039360), (3235, 6754304), (3298, 6625280), (3880, 5631488), (4096, 5334515), (4352, 5020720), (5120, 4267612), (5176, 4221440), (5440, 4016576), (6208, 3519680), (6470, 3377152), (6596, 3312640), (7760, 2815744), (8245, 2650112), (8704, 2510360), (10240, 2133806), (10352, 2110720), (10880, 2008288), (10999, 1986560), (12416, 1759840), (12940, 1688576), (13192, 1656320), (15520, 1407872), (16490, 1325056), (17408, 1255180), (20480, 1066903), (20704, 1055360), (21760, 1004144), (21998, 993280), (24832, 879920), (25880, 844288), (26384, 828160), (31040, 703936), (32980, 662528), (34816, 627590), (41408, 527680), (43520, 502072), (43996, 496640), (49664, 439960), (51760, 422144), (52768, 414080), (54995, 397312), (62080, 351968), (62759, 348160), (65960, 331264), (69632, 313795), (82816, 263840), (87040, 251036), (87992, 248320), (99328, 219980), (103520, 211072), (105536, 207040), (109990, 198656), (124160, 175984), (125518, 174080), (131920, 165632)]