21866367

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 7889793

約数列:

[1, 3, 71, 213, 251, 409, 753, 1227, 17821, 29039, 53463, 87117, 102659, 307977, 7288789, 21866367]

約数ペア:

[(1, 21866367), (3, 7288789), (71, 307977), (213, 102659), (251, 87117), (409, 53463), (753, 29039), (1227, 17821)]