21285234879

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{652541}}^1$

素因数の和:652758

約数の個数: 16

約数和(自身を含む): 28941542784

約数和(自身を除く): 7656307905

約数列:

[1, 3, 83, 131, 249, 393, 10873, 32619, 652541, 1957623, 54160903, 85482871, 162482709, 256448613, 7095078293, 21285234879]

約数ペア:

[(1, 21285234879), (3, 7095078293), (83, 256448613), (131, 162482709), (249, 85482871), (393, 54160903), (10873, 1957623), (32619, 652541)]