21443268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1009}}^1$

素因数の和:1057

約数の個数: 96

約数和(自身を含む): 65157120

約数和(自身を除く): 43713852

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 23, 28, 33, 42, 44, 46, 66, 69, 77, 84, 92, 132, 138, 154, 161, 231, 253, 276, 308, 322, 462, 483, 506, 644, 759, 924, 966, 1009, 1012, 1518, 1771, 1932, 2018, 3027, 3036, 3542, 4036, 5313, 6054, 7063, 7084, 10626, 11099, 12108, 14126, 21189, 21252, 22198, 23207, 28252, 33297, 42378, 44396, 46414, 66594, 69621, 77693, 84756, 92828, 133188, 139242, 155386, 162449, 233079, 255277, 278484, 310772, 324898, 466158, 487347, 510554, 649796, 765831, 932316, 974694, 1021108, 1531662, 1786939, 1949388, 3063324, 3573878, 5360817, 7147756, 10721634, 21443268]

約数ペア:

[(1, 21443268), (2, 10721634), (3, 7147756), (4, 5360817), (6, 3573878), (7, 3063324), (11, 1949388), (12, 1786939), (14, 1531662), (21, 1021108), (22, 974694), (23, 932316), (28, 765831), (33, 649796), (42, 510554), (44, 487347), (46, 466158), (66, 324898), (69, 310772), (77, 278484), (84, 255277), (92, 233079), (132, 162449), (138, 155386), (154, 139242), (161, 133188), (231, 92828), (253, 84756), (276, 77693), (308, 69621), (322, 66594), (462, 46414), (483, 44396), (506, 42378), (644, 33297), (759, 28252), (924, 23207), (966, 22198), (1009, 21252), (1012, 21189), (1518, 14126), (1771, 12108), (1932, 11099), (2018, 10626), (3027, 7084), (3036, 7063), (3542, 6054), (4036, 5313)]