21889238

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67979}}^1$

素因数の和:68011

約数の個数: 16

約数和(自身を含む): 39156480

約数和(自身を除く): 17267242

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 67979, 135958, 475853, 951706, 1563517, 3127034, 10944619, 21889238]

約数ペア:

[(1, 21889238), (2, 10944619), (7, 3127034), (14, 1563517), (23, 951706), (46, 475853), (161, 135958), (322, 67979)]