21930315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{132911}}^1$

素因数の和:132930

約数の個数: 16

約数和(自身を含む): 38278656

約数和(自身を除く): 16348341

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 132911, 398733, 664555, 1462021, 1993665, 4386063, 7310105, 21930315]

約数ペア:

[(1, 21930315), (3, 7310105), (5, 4386063), (11, 1993665), (15, 1462021), (33, 664555), (55, 398733), (165, 132911)]