21013635

素因数分解:

$3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{4157}}^1$

素因数の和:4502

約数の個数: 16

約数和(自身を含む): 33729696

約数和(自身を除く): 12716061

約数列:

[1, 3, 5, 15, 337, 1011, 1685, 4157, 5055, 12471, 20785, 62355, 1400909, 4202727, 7004545, 21013635]

約数ペア:

[(1, 21013635), (3, 7004545), (5, 4202727), (15, 1400909), (337, 62355), (1011, 20785), (1685, 12471), (4157, 5055)]