21000503450

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{6268807}}^1$

素因数の和:6268886

約数の個数: 24

約数和(自身を含む): 39643941792

約数和(自身を除く): 18643438342

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 335, 670, 1675, 3350, 6268807, 12537614, 31344035, 62688070, 156720175, 313440350, 420010069, 840020138, 2100050345, 4200100690, 10500251725, 21000503450]

約数ペア:

[(1, 21000503450), (2, 10500251725), (5, 4200100690), (10, 2100050345), (25, 840020138), (50, 420010069), (67, 313440350), (134, 156720175), (335, 62688070), (670, 31344035), (1675, 12537614), (3350, 6268807)]