21091331521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17539}}^1\times {\mathrm{92503}}^1$

素因数の和:110055

約数の個数: 8

約数和(自身を含む): 22715282240

約数和(自身を除く): 1623950719

約数列:

[1, 13, 17539, 92503, 228007, 1202539, 1622410117, 21091331521]

約数ペア:

[(1, 21091331521), (13, 1622410117), (17539, 1202539), (92503, 228007)]