21168968

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23417}}^1$

素因数の和:23536

約数の個数: 16

約数和(自身を含む): 40044780

約数和(自身を除く): 18875812

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23417, 46834, 93668, 187336, 2646121, 5292242, 10584484, 21168968]

約数ペア:

[(1, 21168968), (2, 10584484), (4, 5292242), (8, 2646121), (113, 187336), (226, 93668), (452, 46834), (904, 23417)]