21544376

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 49420800

約数和(自身を除く): 27876424

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 43, 46, 56, 86, 92, 161, 172, 184, 301, 322, 344, 389, 602, 644, 778, 989, 1204, 1288, 1556, 1978, 2408, 2723, 3112, 3956, 5446, 6923, 7912, 8947, 10892, 13846, 16727, 17894, 21784, 27692, 33454, 35788, 55384, 62629, 66908, 71576, 117089, 125258, 133816, 234178, 250516, 384721, 468356, 501032, 769442, 936712, 1538884, 2693047, 3077768, 5386094, 10772188, 21544376]

約数ペア:

[(1, 21544376), (2, 10772188), (4, 5386094), (7, 3077768), (8, 2693047), (14, 1538884), (23, 936712), (28, 769442), (43, 501032), (46, 468356), (56, 384721), (86, 250516), (92, 234178), (161, 133816), (172, 125258), (184, 117089), (301, 71576), (322, 66908), (344, 62629), (389, 55384), (602, 35788), (644, 33454), (778, 27692), (989, 21784), (1204, 17894), (1288, 16727), (1556, 13846), (1978, 10892), (2408, 8947), (2723, 7912), (3112, 6923), (3956, 5446)]