21372429

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7507}}^1$

素因数の和:7596

約数の個数: 16

約数和(自身を含む): 31113152

約数和(自身を除く): 9740723

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 7507, 22521, 97591, 292773, 548011, 1644033, 7124143, 21372429]

約数ペア:

[(1, 21372429), (3, 7124143), (13, 1644033), (39, 548011), (73, 292773), (219, 97591), (949, 22521), (2847, 7507)]