21629049

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 35071680

約数和(自身を除く): 13442631

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 101, 221, 247, 289, 303, 323, 663, 741, 867, 969, 1313, 1717, 1919, 3757, 3939, 4199, 5151, 5491, 5757, 11271, 12597, 16473, 22321, 24947, 29189, 32623, 66963, 71383, 74841, 87567, 97869, 214149, 379457, 424099, 554591, 1138371, 1272297, 1663773, 7209683, 21629049]

約数ペア:

[(1, 21629049), (3, 7209683), (13, 1663773), (17, 1272297), (19, 1138371), (39, 554591), (51, 424099), (57, 379457), (101, 214149), (221, 97869), (247, 87567), (289, 74841), (303, 71383), (323, 66963), (663, 32623), (741, 29189), (867, 24947), (969, 22321), (1313, 16473), (1717, 12597), (1919, 11271), (3757, 5757), (3939, 5491), (4199, 5151)]