21000455487

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12477989}}^1$

素因数の和:12478023

約数の個数: 24

約数和(自身を含む): 35038195920

約数和(自身を除く): 14037740433

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12477989, 37433967, 112301901, 137257879, 212125813, 411773637, 636377439, 1235320911, 1909132317, 2333383943, 7000151829, 21000455487]

約数ペア:

[(1, 21000455487), (3, 7000151829), (9, 2333383943), (11, 1909132317), (17, 1235320911), (33, 636377439), (51, 411773637), (99, 212125813), (153, 137257879), (187, 112301901), (561, 37433967), (1683, 12477989)]