21713901

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{1063}}^1$

素因数の和:1696

約数の個数: 16

約数和(自身を含む): 31664640

約数和(自身を除く): 9950739

約数列:

[1, 3, 11, 33, 619, 1063, 1857, 3189, 6809, 11693, 20427, 35079, 657997, 1973991, 7237967, 21713901]

約数ペア:

[(1, 21713901), (3, 7237967), (11, 1973991), (33, 657997), (619, 35079), (1063, 20427), (1857, 11693), (3189, 6809)]