21000201256

素因数分解:

$2^3\times {\mathrm{1291}}^1\times {\mathrm{2033327}}^1$

素因数の和:2034624

約数の個数: 16

約数和(自身を含む): 39405896640

約数和(自身を除く): 18405695384

約数列:

[1, 2, 4, 8, 1291, 2582, 5164, 10328, 2033327, 4066654, 8133308, 16266616, 2625025157, 5250050314, 10500100628, 21000201256]

約数ペア:

[(1, 21000201256), (2, 10500100628), (4, 5250050314), (8, 2625025157), (1291, 16266616), (2582, 8133308), (5164, 4066654), (10328, 2033327)]