21084794

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 14581126

約数列:

[1, 2, 17, 19, 34, 38, 127, 254, 257, 323, 514, 646, 2159, 2413, 4318, 4369, 4826, 4883, 8738, 9766, 32639, 41021, 65278, 82042, 83011, 166022, 554863, 620141, 1109726, 1240282, 10542397, 21084794]

約数ペア:

[(1, 21084794), (2, 10542397), (17, 1240282), (19, 1109726), (34, 620141), (38, 554863), (127, 166022), (254, 83011), (257, 82042), (323, 65278), (514, 41021), (646, 32639), (2159, 9766), (2413, 8738), (4318, 4883), (4369, 4826)]