21882080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12433}}^1$

素因数の和:12459

約数の個数: 48

約数和(自身を含む): 56400624

約数和(自身を除く): 34518544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 12433, 24866, 49732, 62165, 99464, 124330, 136763, 198928, 248660, 273526, 397856, 497320, 547052, 683815, 994640, 1094104, 1367630, 1989280, 2188208, 2735260, 4376416, 5470520, 10941040, 21882080]

約数ペア:

[(1, 21882080), (2, 10941040), (4, 5470520), (5, 4376416), (8, 2735260), (10, 2188208), (11, 1989280), (16, 1367630), (20, 1094104), (22, 994640), (32, 683815), (40, 547052), (44, 497320), (55, 397856), (80, 273526), (88, 248660), (110, 198928), (160, 136763), (176, 124330), (220, 99464), (352, 62165), (440, 49732), (880, 24866), (1760, 12433)]