21370914

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27611}}^1$

素因数の和:27662

約数の個数: 24

約数和(自身を含む): 47382192

約数和(自身を除く): 26011278

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27611, 55222, 82833, 165666, 248499, 496998, 1187273, 2374546, 3561819, 7123638, 10685457, 21370914]

約数ペア:

[(1, 21370914), (2, 10685457), (3, 7123638), (6, 3561819), (9, 2374546), (18, 1187273), (43, 496998), (86, 248499), (129, 165666), (258, 82833), (387, 55222), (774, 27611)]