21487824

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^2\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 90

約数和(自身を含む): 62372310

約数和(自身を除く): 40884486

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 109, 111, 144, 148, 218, 222, 296, 327, 333, 436, 444, 592, 654, 666, 872, 888, 981, 1308, 1332, 1369, 1744, 1776, 1962, 2616, 2664, 2738, 3924, 4033, 4107, 5232, 5328, 5476, 7848, 8066, 8214, 10952, 12099, 12321, 15696, 16132, 16428, 21904, 24198, 24642, 32264, 32856, 36297, 48396, 49284, 64528, 65712, 72594, 96792, 98568, 145188, 149221, 193584, 197136, 290376, 298442, 447663, 580752, 596884, 895326, 1193768, 1342989, 1790652, 2387536, 2685978, 3581304, 5371956, 7162608, 10743912, 21487824]

約数ペア:

[(1, 21487824), (2, 10743912), (3, 7162608), (4, 5371956), (6, 3581304), (8, 2685978), (9, 2387536), (12, 1790652), (16, 1342989), (18, 1193768), (24, 895326), (36, 596884), (37, 580752), (48, 447663), (72, 298442), (74, 290376), (109, 197136), (111, 193584), (144, 149221), (148, 145188), (218, 98568), (222, 96792), (296, 72594), (327, 65712), (333, 64528), (436, 49284), (444, 48396), (592, 36297), (654, 32856), (666, 32264), (872, 24642), (888, 24198), (981, 21904), (1308, 16428), (1332, 16132), (1369, 15696), (1744, 12321), (1776, 12099), (1962, 10952), (2616, 8214), (2664, 8066), (2738, 7848), (3924, 5476), (4033, 5328), (4107, 5232)]