21093668264

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{6575333}}^1$

素因数の和:6575740

約数の個数: 16

約数和(自身を含む): 39649264020

約数和(自身を除く): 18555595756

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 6575333, 13150666, 26301332, 52602664, 2636708533, 5273417066, 10546834132, 21093668264]

約数ペア:

[(1, 21093668264), (2, 10546834132), (4, 5273417066), (8, 2636708533), (401, 52602664), (802, 26301332), (1604, 13150666), (3208, 6575333)]