21373209

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16607}}^1$

素因数の和:16637

約数の個数: 24

約数和(自身を含む): 36271872

約数和(自身を除く): 14898663

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16607, 49821, 149463, 182677, 215891, 548031, 647673, 1644093, 1943019, 2374801, 7124403, 21373209]

約数ペア:

[(1, 21373209), (3, 7124403), (9, 2374801), (11, 1943019), (13, 1644093), (33, 647673), (39, 548031), (99, 215891), (117, 182677), (143, 149463), (429, 49821), (1287, 16607)]