21089969105

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{11971}}^1$

素因数の和:12209

約数の個数: 32

約数和(自身を含む): 26531867520

約数和(自身を除く): 5441898415

約数列:

[1, 5, 37, 89, 107, 185, 445, 535, 3293, 3959, 9523, 11971, 16465, 19795, 47615, 59855, 352351, 442927, 1065419, 1280897, 1761755, 2214635, 5327095, 6404485, 39420503, 47393189, 113999833, 197102515, 236965945, 569999165, 4217993821, 21089969105]

約数ペア:

[(1, 21089969105), (5, 4217993821), (37, 569999165), (89, 236965945), (107, 197102515), (185, 113999833), (445, 47393189), (535, 39420503), (3293, 6404485), (3959, 5327095), (9523, 2214635), (11971, 1761755), (16465, 1280897), (19795, 1065419), (47615, 442927), (59855, 352351)]