21842715

素因数分解:

$3^1\times 5^1\times {\mathrm{727}}^1\times {\mathrm{2003}}^1$

素因数の和:2738

約数の個数: 16

約数和(自身を含む): 35013888

約数和(自身を除く): 13171173

約数列:

[1, 3, 5, 15, 727, 2003, 2181, 3635, 6009, 10015, 10905, 30045, 1456181, 4368543, 7280905, 21842715]

約数ペア:

[(1, 21842715), (3, 7280905), (5, 4368543), (15, 1456181), (727, 30045), (2003, 10905), (2181, 10015), (3635, 6009)]