21382016065

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1\times {\mathrm{156307}}^1$

素因数の和:156672

約数の個数: 16

約数和(自身を含む): 25997146560

約数和(自身を除く): 4615130495

約数列:

[1, 5, 109, 251, 545, 1255, 27359, 136795, 156307, 781535, 17037463, 39233057, 85187315, 196165285, 4276403213, 21382016065]

約数ペア:

[(1, 21382016065), (5, 4276403213), (109, 196165285), (251, 85187315), (545, 39233057), (1255, 17037463), (27359, 781535), (136795, 156307)]