21764464127

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1301}}^1\times {\mathrm{3583}}^1$

素因数の和:4943

約数の個数: 32

約数和(自身を含む): 26878279680

約数和(自身を除く): 5113815553

約数列:

[1, 7, 23, 29, 161, 203, 667, 1301, 3583, 4669, 9107, 25081, 29923, 37729, 82409, 103907, 209461, 264103, 576863, 727349, 867767, 2389861, 4661483, 6074369, 16729027, 32630381, 107214109, 135183007, 750498763, 946281049, 3109209161, 21764464127]

約数ペア:

[(1, 21764464127), (7, 3109209161), (23, 946281049), (29, 750498763), (161, 135183007), (203, 107214109), (667, 32630381), (1301, 16729027), (3583, 6074369), (4669, 4661483), (9107, 2389861), (25081, 867767), (29923, 727349), (37729, 576863), (82409, 264103), (103907, 209461)]