21000901247

素因数分解:

${\mathrm{79}}^1\times {\mathrm{613}}^1\times {\mathrm{433661}}^1$

素因数の和:434353

約数の個数: 8

約数和(自身を含む): 21301477440

約数和(自身を除く): 300576193

約数列:

[1, 79, 613, 48427, 433661, 34259219, 265834193, 21000901247]

約数ペア:

[(1, 21000901247), (79, 265834193), (613, 34259219), (48427, 433661)]