21896475

素因数分解:

$3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{1613}}^1$

素因数の和:1807

約数の個数: 24

約数和(自身を含む): 36424752

約数和(自身を除く): 14528277

約数列:

[1, 3, 5, 15, 25, 75, 181, 543, 905, 1613, 2715, 4525, 4839, 8065, 13575, 24195, 40325, 120975, 291953, 875859, 1459765, 4379295, 7298825, 21896475]

約数ペア:

[(1, 21896475), (3, 7298825), (5, 4379295), (15, 1459765), (25, 875859), (75, 291953), (181, 120975), (543, 40325), (905, 24195), (1613, 13575), (2715, 8065), (4525, 4839)]