21031888582

素因数分解:

$2^1\times {\mathrm{1289}}^1\times {\mathrm{2003}}^1\times {\mathrm{4073}}^1$

素因数の和:7367

約数の個数: 16

約数和(自身を含む): 31595825520

約数和(自身を除く): 10563936938

約数列:

[1, 2, 1289, 2003, 2578, 4006, 4073, 8146, 2581867, 5163734, 5250097, 8158219, 10500194, 16316438, 10515944291, 21031888582]

約数ペア:

[(1, 21031888582), (2, 10515944291), (1289, 16316438), (2003, 10500194), (2578, 8158219), (4006, 5250097), (4073, 5163734), (8146, 2581867)]