21604017

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{751}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 29646848

約数和(自身を除く): 8042831

約数列:

[1, 3, 43, 129, 223, 669, 751, 2253, 9589, 28767, 32293, 96879, 167473, 502419, 7201339, 21604017]

約数ペア:

[(1, 21604017), (3, 7201339), (43, 502419), (129, 167473), (223, 96879), (669, 32293), (751, 28767), (2253, 9589)]