21709017

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12899}}^1$

素因数の和:12933

約数の個数: 24

約数和(自身を含む): 36223200

約数和(自身を除く): 14514183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12899, 38697, 116091, 141889, 219283, 425667, 657849, 1277001, 1973547, 2412113, 7236339, 21709017]

約数ペア:

[(1, 21709017), (3, 7236339), (9, 2412113), (11, 1973547), (17, 1277001), (33, 657849), (51, 425667), (99, 219283), (153, 141889), (187, 116091), (561, 38697), (1683, 12899)]