21896685

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9181}}^1$

素因数の和:9245

約数の個数: 24

約数和(自身を含む): 38674584

約数和(自身を除く): 16777899

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 9181, 27543, 45905, 82629, 137715, 413145, 486593, 1459779, 2432965, 4379337, 7298895, 21896685]

約数ペア:

[(1, 21896685), (3, 7298895), (5, 4379337), (9, 2432965), (15, 1459779), (45, 486593), (53, 413145), (159, 137715), (265, 82629), (477, 45905), (795, 27543), (2385, 9181)]