21242960545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1500739}}^1$

素因数の和:1500912

約数の個数: 16

約数和(自身を含む): 27013320000

約数和(自身を除く): 5770359455

約数列:

[1, 5, 19, 95, 149, 745, 2831, 14155, 1500739, 7503695, 28514041, 142570205, 223610111, 1118050555, 4248592109, 21242960545]

約数ペア:

[(1, 21242960545), (5, 4248592109), (19, 1118050555), (95, 223610111), (149, 142570205), (745, 28514041), (2831, 7503695), (14155, 1500739)]