21429609

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{587}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 29390592

約数和(自身を除く): 7960983

約数列:

[1, 3, 43, 129, 283, 587, 849, 1761, 12169, 25241, 36507, 75723, 166121, 498363, 7143203, 21429609]

約数ペア:

[(1, 21429609), (3, 7143203), (43, 498363), (129, 166121), (283, 75723), (587, 36507), (849, 25241), (1761, 12169)]