21380346

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{91369}}^1$

素因数の和:91390

約数の個数: 24

約数和(自身を含む): 49888020

約数和(自身を除く): 28507674

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 91369, 182738, 274107, 548214, 822321, 1187797, 1644642, 2375594, 3563391, 7126782, 10690173, 21380346]

約数ペア:

[(1, 21380346), (2, 10690173), (3, 7126782), (6, 3563391), (9, 2375594), (13, 1644642), (18, 1187797), (26, 822321), (39, 548214), (78, 274107), (117, 182738), (234, 91369)]