21892688

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1451}}^1$

素因数の和:1523

約数の個数: 40

約数和(自身を含む): 45372096

約数和(自身を除く): 23479408

約数列:

[1, 2, 4, 8, 16, 23, 41, 46, 82, 92, 164, 184, 328, 368, 656, 943, 1451, 1886, 2902, 3772, 5804, 7544, 11608, 15088, 23216, 33373, 59491, 66746, 118982, 133492, 237964, 266984, 475928, 533968, 951856, 1368293, 2736586, 5473172, 10946344, 21892688]

約数ペア:

[(1, 21892688), (2, 10946344), (4, 5473172), (8, 2736586), (16, 1368293), (23, 951856), (41, 533968), (46, 475928), (82, 266984), (92, 237964), (164, 133492), (184, 118982), (328, 66746), (368, 59491), (656, 33373), (943, 23216), (1451, 15088), (1886, 11608), (2902, 7544), (3772, 5804)]