21996657

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{2819}}^1$

素因数の和:2862

約数の個数: 24

約数和(自身を含む): 34629600

約数和(自身を除く): 12632943

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2601, 2819, 7803, 8457, 25371, 47923, 76113, 143769, 431307, 814691, 1293921, 2444073, 7332219, 21996657]

約数ペア:

[(1, 21996657), (3, 7332219), (9, 2444073), (17, 1293921), (27, 814691), (51, 431307), (153, 143769), (289, 76113), (459, 47923), (867, 25371), (2601, 8457), (2819, 7803)]