11721284

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{68147}}^1$

素因数の和:68194

約数の個数: 12

約数和(自身を含む): 20989584

約数和(自身を除く): 9268300

約数列:

[1, 2, 4, 43, 86, 172, 68147, 136294, 272588, 2930321, 5860642, 11721284]

約数ペア:

[(1, 11721284), (2, 5860642), (4, 2930321), (43, 272588), (86, 136294), (172, 68147)]