21170632

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1471}}^1$

素因数の和:1741

約数の個数: 32

約数和(自身を含む): 45573120

約数和(自身を除く): 24402488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 514, 1028, 1471, 1799, 2056, 2942, 3598, 5884, 7196, 10297, 11768, 14392, 20594, 41188, 82376, 378047, 756094, 1512188, 2646329, 3024376, 5292658, 10585316, 21170632]

約数ペア:

[(1, 21170632), (2, 10585316), (4, 5292658), (7, 3024376), (8, 2646329), (14, 1512188), (28, 756094), (56, 378047), (257, 82376), (514, 41188), (1028, 20594), (1471, 14392), (1799, 11768), (2056, 10297), (2942, 7196), (3598, 5884)]