21107856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5711}}^1$

素因数の和:5740

約数の個数: 80

約数和(自身を含む): 67995648

約数和(自身を除く): 46887792

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 176, 231, 264, 308, 336, 462, 528, 616, 924, 1232, 1848, 3696, 5711, 11422, 17133, 22844, 34266, 39977, 45688, 62821, 68532, 79954, 91376, 119931, 125642, 137064, 159908, 188463, 239862, 251284, 274128, 319816, 376926, 439747, 479724, 502568, 639632, 753852, 879494, 959448, 1005136, 1319241, 1507704, 1758988, 1918896, 2638482, 3015408, 3517976, 5276964, 7035952, 10553928, 21107856]

約数ペア:

[(1, 21107856), (2, 10553928), (3, 7035952), (4, 5276964), (6, 3517976), (7, 3015408), (8, 2638482), (11, 1918896), (12, 1758988), (14, 1507704), (16, 1319241), (21, 1005136), (22, 959448), (24, 879494), (28, 753852), (33, 639632), (42, 502568), (44, 479724), (48, 439747), (56, 376926), (66, 319816), (77, 274128), (84, 251284), (88, 239862), (112, 188463), (132, 159908), (154, 137064), (168, 125642), (176, 119931), (231, 91376), (264, 79954), (308, 68532), (336, 62821), (462, 45688), (528, 39977), (616, 34266), (924, 22844), (1232, 17133), (1848, 11422), (3696, 5711)]