21062145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108011}}^1$

素因数の和:108032

約数の個数: 16

約数和(自身を含む): 36292032

約数和(自身を除く): 15229887

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 108011, 324033, 540055, 1404143, 1620165, 4212429, 7020715, 21062145]

約数ペア:

[(1, 21062145), (3, 7020715), (5, 4212429), (13, 1620165), (15, 1404143), (39, 540055), (65, 324033), (195, 108011)]