21063345

素因数分解:

$3^1\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{1321}}^1$

素因数の和:2392

約数の個数: 16

約数和(自身を含む): 33758592

約数和(自身を除く): 12695247

約数列:

[1, 3, 5, 15, 1063, 1321, 3189, 3963, 5315, 6605, 15945, 19815, 1404223, 4212669, 7021115, 21063345]

約数ペア:

[(1, 21063345), (3, 7021115), (5, 4212669), (15, 1404223), (1063, 19815), (1321, 15945), (3189, 6605), (3963, 5315)]