21323169

素因数分解:

$3^4\times 7^1\times {\mathrm{37607}}^1$

素因数の和:37626

約数の個数: 20

約数和(自身を含む): 36404544

約数和(自身を除く): 15081375

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 37607, 112821, 263249, 338463, 789747, 1015389, 2369241, 3046167, 7107723, 21323169]

約数ペア:

[(1, 21323169), (3, 7107723), (7, 3046167), (9, 2369241), (21, 1015389), (27, 789747), (63, 338463), (81, 263249), (189, 112821), (567, 37607)]