21891952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:182

約数の個数: 80

約数和(自身を含む): 48568320

約数和(自身を除く): 26676368

約数列:

[1, 2, 4, 8, 16, 19, 23, 31, 38, 46, 62, 76, 92, 101, 124, 152, 184, 202, 248, 304, 368, 404, 437, 496, 589, 713, 808, 874, 1178, 1426, 1616, 1748, 1919, 2323, 2356, 2852, 3131, 3496, 3838, 4646, 4712, 5704, 6262, 6992, 7676, 9292, 9424, 11408, 12524, 13547, 15352, 18584, 25048, 27094, 30704, 37168, 44137, 50096, 54188, 59489, 72013, 88274, 108376, 118978, 144026, 176548, 216752, 237956, 288052, 353096, 475912, 576104, 706192, 951824, 1152208, 1368247, 2736494, 5472988, 10945976, 21891952]

約数ペア:

[(1, 21891952), (2, 10945976), (4, 5472988), (8, 2736494), (16, 1368247), (19, 1152208), (23, 951824), (31, 706192), (38, 576104), (46, 475912), (62, 353096), (76, 288052), (92, 237956), (101, 216752), (124, 176548), (152, 144026), (184, 118978), (202, 108376), (248, 88274), (304, 72013), (368, 59489), (404, 54188), (437, 50096), (496, 44137), (589, 37168), (713, 30704), (808, 27094), (874, 25048), (1178, 18584), (1426, 15352), (1616, 13547), (1748, 12524), (1919, 11408), (2323, 9424), (2356, 9292), (2852, 7676), (3131, 6992), (3496, 6262), (3838, 5704), (4646, 4712)]