21894885

素因数分解:

$3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2521}}^1$

素因数の和:2725

約数の個数: 24

約数和(自身を含む): 38162904

約数和(自身を除く): 16268019

約数列:

[1, 3, 5, 9, 15, 45, 193, 579, 965, 1737, 2521, 2895, 7563, 8685, 12605, 22689, 37815, 113445, 486553, 1459659, 2432765, 4378977, 7298295, 21894885]

約数ペア:

[(1, 21894885), (3, 7298295), (5, 4378977), (9, 2432765), (15, 1459659), (45, 486553), (193, 113445), (579, 37815), (965, 22689), (1737, 12605), (2521, 8685), (2895, 7563)]