21566091

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3557}}^1$

素因数の和:3650

約数の個数: 16

約数和(自身を含む): 30057984

約数和(自身を除く): 8491893

約数列:

[1, 3, 43, 47, 129, 141, 2021, 3557, 6063, 10671, 152951, 167179, 458853, 501537, 7188697, 21566091]

約数ペア:

[(1, 21566091), (3, 7188697), (43, 501537), (47, 458853), (129, 167179), (141, 152951), (2021, 10671), (3557, 6063)]