21016618

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65269}}^1$

素因数の和:65301

約数の個数: 16

約数和(自身を含む): 37595520

約数和(自身を除く): 16578902

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65269, 130538, 456883, 913766, 1501187, 3002374, 10508309, 21016618]

約数ペア:

[(1, 21016618), (2, 10508309), (7, 3002374), (14, 1501187), (23, 913766), (46, 456883), (161, 130538), (322, 65269)]