21523124

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1759}}^1$

素因数の和:1812

約数の個数: 48

約数和(自身を含む): 47308800

約数和(自身を除く): 25785676

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 76, 92, 133, 161, 266, 322, 437, 532, 644, 874, 1748, 1759, 3059, 3518, 6118, 7036, 12236, 12313, 24626, 33421, 40457, 49252, 66842, 80914, 133684, 161828, 233947, 283199, 467894, 566398, 768683, 935788, 1132796, 1537366, 3074732, 5380781, 10761562, 21523124]

約数ペア:

[(1, 21523124), (2, 10761562), (4, 5380781), (7, 3074732), (14, 1537366), (19, 1132796), (23, 935788), (28, 768683), (38, 566398), (46, 467894), (76, 283199), (92, 233947), (133, 161828), (161, 133684), (266, 80914), (322, 66842), (437, 49252), (532, 40457), (644, 33421), (874, 24626), (1748, 12313), (1759, 12236), (3059, 7036), (3518, 6118)]