21032291

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{941}}^1$

素因数の和:1082

約数の個数: 16

約数和(自身を含む): 25079808

約数和(自身を除く): 4047517

約数列:

[1, 7, 31, 103, 217, 721, 941, 3193, 6587, 22351, 29171, 96923, 204197, 678461, 3004613, 21032291]

約数ペア:

[(1, 21032291), (7, 3004613), (31, 678461), (103, 204197), (217, 96923), (721, 29171), (941, 22351), (3193, 6587)]