21540717

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12799}}^1$

素因数の和:12833

約数の個数: 24

約数和(自身を含む): 35942400

約数和(自身を除く): 14401683

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12799, 38397, 115191, 140789, 217583, 422367, 652749, 1267101, 1958247, 2393413, 7180239, 21540717]

約数ペア:

[(1, 21540717), (3, 7180239), (9, 2393413), (11, 1958247), (17, 1267101), (33, 652749), (51, 422367), (99, 217583), (153, 140789), (187, 115191), (561, 38397), (1683, 12799)]