21742479

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3853}}^1$

素因数の和:3892

約数の個数: 32

約数和(自身を含む): 36998400

約数和(自身を除く): 15255921

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3853, 5643, 11559, 34677, 42383, 73207, 104031, 127149, 219621, 381447, 658863, 805277, 1144341, 1976589, 2415831, 7247493, 21742479]

約数ペア:

[(1, 21742479), (3, 7247493), (9, 2415831), (11, 1976589), (19, 1144341), (27, 805277), (33, 658863), (57, 381447), (99, 219621), (171, 127149), (209, 104031), (297, 73207), (513, 42383), (627, 34677), (1881, 11559), (3853, 5643)]