21840731

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{499}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 25056000

約数和(自身を除く): 3215269

約数列:

[1, 11, 23, 173, 253, 499, 1903, 3979, 5489, 11477, 43769, 86327, 126247, 949597, 1985521, 21840731]

約数ペア:

[(1, 21840731), (11, 1985521), (23, 949597), (173, 126247), (253, 86327), (499, 43769), (1903, 11477), (3979, 5489)]