21696752

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1601}}^1$

素因数の和:1638

約数の個数: 60

約数和(自身を含む): 52840368

約数和(自身を除く): 31143616

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1601, 1694, 1936, 3202, 3388, 6404, 6776, 11207, 12808, 13552, 17611, 22414, 25616, 35222, 44828, 70444, 89656, 123277, 140888, 179312, 193721, 246554, 281776, 387442, 493108, 774884, 986216, 1356047, 1549768, 1972432, 2712094, 3099536, 5424188, 10848376, 21696752]

約数ペア:

[(1, 21696752), (2, 10848376), (4, 5424188), (7, 3099536), (8, 2712094), (11, 1972432), (14, 1549768), (16, 1356047), (22, 986216), (28, 774884), (44, 493108), (56, 387442), (77, 281776), (88, 246554), (112, 193721), (121, 179312), (154, 140888), (176, 123277), (242, 89656), (308, 70444), (484, 44828), (616, 35222), (847, 25616), (968, 22414), (1232, 17611), (1601, 13552), (1694, 12808), (1936, 11207), (3202, 6776), (3388, 6404)]