21357732

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4373}}^1$

素因数の和:4428

約数の個数: 48

約数和(自身を含む): 55847232

約数和(自身を除く): 34489500

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 444, 814, 1221, 1628, 2442, 4373, 4884, 8746, 13119, 17492, 26238, 48103, 52476, 96206, 144309, 161801, 192412, 288618, 323602, 485403, 577236, 647204, 970806, 1779811, 1941612, 3559622, 5339433, 7119244, 10678866, 21357732]

約数ペア:

[(1, 21357732), (2, 10678866), (3, 7119244), (4, 5339433), (6, 3559622), (11, 1941612), (12, 1779811), (22, 970806), (33, 647204), (37, 577236), (44, 485403), (66, 323602), (74, 288618), (111, 192412), (132, 161801), (148, 144309), (222, 96206), (407, 52476), (444, 48103), (814, 26238), (1221, 17492), (1628, 13119), (2442, 8746), (4373, 4884)]