21743208

素因数分解:

$2^3\times 3^3\times {\mathrm{43}}^1\times {\mathrm{2341}}^1$

素因数の和:2399

約数の個数: 64

約数和(自身を含む): 61828800

約数和(自身を除く): 40085592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 86, 108, 129, 172, 216, 258, 344, 387, 516, 774, 1032, 1161, 1548, 2322, 2341, 3096, 4644, 4682, 7023, 9288, 9364, 14046, 18728, 21069, 28092, 42138, 56184, 63207, 84276, 100663, 126414, 168552, 201326, 252828, 301989, 402652, 505656, 603978, 805304, 905967, 1207956, 1811934, 2415912, 2717901, 3623868, 5435802, 7247736, 10871604, 21743208]

約数ペア:

[(1, 21743208), (2, 10871604), (3, 7247736), (4, 5435802), (6, 3623868), (8, 2717901), (9, 2415912), (12, 1811934), (18, 1207956), (24, 905967), (27, 805304), (36, 603978), (43, 505656), (54, 402652), (72, 301989), (86, 252828), (108, 201326), (129, 168552), (172, 126414), (216, 100663), (258, 84276), (344, 63207), (387, 56184), (516, 42138), (774, 28092), (1032, 21069), (1161, 18728), (1548, 14046), (2322, 9364), (2341, 9288), (3096, 7023), (4644, 4682)]