21000736475

素因数分解:

$5^2\times {\mathrm{151}}^1\times {\mathrm{5563109}}^1$

素因数の和:5563270

約数の個数: 12

約数和(自身を含む): 26213374320

約数和(自身を除く): 5212637845

約数列:

[1, 5, 25, 151, 755, 3775, 5563109, 27815545, 139077725, 840029459, 4200147295, 21000736475]

約数ペア:

[(1, 21000736475), (5, 4200147295), (25, 840029459), (151, 139077725), (755, 27815545), (3775, 5563109)]