21909090815

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{5981}}^1\times {\mathrm{23633}}^1$

素因数の和:29650

約数の個数: 16

約数和(自身を含む): 27144688896

約数和(自身を除く): 5235598081

約数列:

[1, 5, 31, 155, 5981, 23633, 29905, 118165, 185411, 732623, 927055, 3663115, 141348973, 706744865, 4381818163, 21909090815]

約数ペア:

[(1, 21909090815), (5, 4381818163), (31, 706744865), (155, 141348973), (5981, 3663115), (23633, 927055), (29905, 732623), (118165, 185411)]