21508386

素因数分解:

$2^1\times 3^1\times {\mathrm{1021}}^1\times {\mathrm{3511}}^1$

素因数の和:4537

約数の個数: 16

約数和(自身を含む): 43071168

約数和(自身を除く): 21562782

約数列:

[1, 2, 3, 6, 1021, 2042, 3063, 3511, 6126, 7022, 10533, 21066, 3584731, 7169462, 10754193, 21508386]

約数ペア:

[(1, 21508386), (2, 10754193), (3, 7169462), (6, 3584731), (1021, 21066), (2042, 10533), (3063, 7022), (3511, 6126)]