21630141

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{14221}}^1$

素因数の和:14253

約数の個数: 18

約数和(自身を含む): 33834138

約数和(自身を除く): 12203997

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 14221, 42663, 127989, 184873, 554619, 1663857, 2403349, 7210047, 21630141]

約数ペア:

[(1, 21630141), (3, 7210047), (9, 2403349), (13, 1663857), (39, 554619), (117, 184873), (169, 127989), (507, 42663), (1521, 14221)]