21096609

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{2477}}^1$

素因数の和:2664

約数の個数: 16

約数和(自身を含む): 29973888

約数和(自身を除く): 8877279

約数列:

[1, 3, 17, 51, 167, 501, 2477, 2839, 7431, 8517, 42109, 126327, 413659, 1240977, 7032203, 21096609]

約数ペア:

[(1, 21096609), (3, 7032203), (17, 1240977), (51, 413659), (167, 126327), (501, 42109), (2477, 8517), (2839, 7431)]