21648704

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:244

約数の個数: 112

約数和(自身を含む): 56180736

約数和(自身を除く): 34532032

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 64, 77, 88, 92, 112, 154, 161, 176, 184, 191, 224, 253, 308, 322, 352, 368, 382, 448, 506, 616, 644, 704, 736, 764, 1012, 1232, 1288, 1337, 1472, 1528, 1771, 2024, 2101, 2464, 2576, 2674, 3056, 3542, 4048, 4202, 4393, 4928, 5152, 5348, 6112, 7084, 8096, 8404, 8786, 10304, 10696, 12224, 14168, 14707, 16192, 16808, 17572, 21392, 28336, 29414, 30751, 33616, 35144, 42784, 48323, 56672, 58828, 61502, 67232, 70288, 85568, 96646, 113344, 117656, 123004, 134464, 140576, 193292, 235312, 246008, 281152, 338261, 386584, 470624, 492016, 676522, 773168, 941248, 984032, 1353044, 1546336, 1968064, 2706088, 3092672, 5412176, 10824352, 21648704]

約数ペア:

[(1, 21648704), (2, 10824352), (4, 5412176), (7, 3092672), (8, 2706088), (11, 1968064), (14, 1546336), (16, 1353044), (22, 984032), (23, 941248), (28, 773168), (32, 676522), (44, 492016), (46, 470624), (56, 386584), (64, 338261), (77, 281152), (88, 246008), (92, 235312), (112, 193292), (154, 140576), (161, 134464), (176, 123004), (184, 117656), (191, 113344), (224, 96646), (253, 85568), (308, 70288), (322, 67232), (352, 61502), (368, 58828), (382, 56672), (448, 48323), (506, 42784), (616, 35144), (644, 33616), (704, 30751), (736, 29414), (764, 28336), (1012, 21392), (1232, 17572), (1288, 16808), (1337, 16192), (1472, 14707), (1528, 14168), (1771, 12224), (2024, 10696), (2101, 10304), (2464, 8786), (2576, 8404), (2674, 8096), (3056, 7084), (3542, 6112), (4048, 5348), (4202, 5152), (4393, 4928)]