21564988928

素因数分解:

$2^9\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{4357}}^1$

素因数の和:5763

約数の個数: 80

約数和(自身を含む): 49290235104

約数和(自身を除く): 27725246176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1381, 1792, 2762, 3584, 4357, 5524, 8714, 9667, 11048, 17428, 19334, 22096, 30499, 34856, 38668, 44192, 60998, 69712, 77336, 88384, 121996, 139424, 154672, 176768, 243992, 278848, 309344, 353536, 487984, 557696, 618688, 707072, 975968, 1115392, 1237376, 1951936, 2230784, 2474752, 3903872, 4949504, 6017017, 7807744, 12034034, 15615488, 24068068, 42119119, 48136136, 84238238, 96272272, 168476476, 192544544, 336952952, 385089088, 673905904, 770178176, 1347811808, 1540356352, 2695623616, 3080712704, 5391247232, 10782494464, 21564988928]

約数ペア:

[(1, 21564988928), (2, 10782494464), (4, 5391247232), (7, 3080712704), (8, 2695623616), (14, 1540356352), (16, 1347811808), (28, 770178176), (32, 673905904), (56, 385089088), (64, 336952952), (112, 192544544), (128, 168476476), (224, 96272272), (256, 84238238), (448, 48136136), (512, 42119119), (896, 24068068), (1381, 15615488), (1792, 12034034), (2762, 7807744), (3584, 6017017), (4357, 4949504), (5524, 3903872), (8714, 2474752), (9667, 2230784), (11048, 1951936), (17428, 1237376), (19334, 1115392), (22096, 975968), (30499, 707072), (34856, 618688), (38668, 557696), (44192, 487984), (60998, 353536), (69712, 309344), (77336, 278848), (88384, 243992), (121996, 176768), (139424, 154672)]