21216048

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 63138816

約数和(自身を除く): 41922768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 233, 271, 336, 466, 542, 699, 813, 932, 1084, 1398, 1626, 1631, 1864, 1897, 2168, 2796, 3252, 3262, 3728, 3794, 4336, 4893, 5592, 5691, 6504, 6524, 7588, 9786, 11184, 11382, 13008, 13048, 15176, 19572, 22764, 26096, 30352, 39144, 45528, 63143, 78288, 91056, 126286, 189429, 252572, 378858, 442001, 505144, 757716, 884002, 1010288, 1326003, 1515432, 1768004, 2652006, 3030864, 3536008, 5304012, 7072016, 10608024, 21216048]

約数ペア:

[(1, 21216048), (2, 10608024), (3, 7072016), (4, 5304012), (6, 3536008), (7, 3030864), (8, 2652006), (12, 1768004), (14, 1515432), (16, 1326003), (21, 1010288), (24, 884002), (28, 757716), (42, 505144), (48, 442001), (56, 378858), (84, 252572), (112, 189429), (168, 126286), (233, 91056), (271, 78288), (336, 63143), (466, 45528), (542, 39144), (699, 30352), (813, 26096), (932, 22764), (1084, 19572), (1398, 15176), (1626, 13048), (1631, 13008), (1864, 11382), (1897, 11184), (2168, 9786), (2796, 7588), (3252, 6524), (3262, 6504), (3728, 5691), (3794, 5592), (4336, 4893)]