21806312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{247799}}^1$

素因数の和:247816

約数の個数: 16

約数和(自身を含む): 44604000

約数和(自身を除く): 22797688

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 247799, 495598, 991196, 1982392, 2725789, 5451578, 10903156, 21806312]

約数ペア:

[(1, 21806312), (2, 10903156), (4, 5451578), (8, 2725789), (11, 1982392), (22, 991196), (44, 495598), (88, 247799)]