21269271933

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{603949}}^1$

素因数の和:604018

約数の個数: 48

約数和(自身を含む): 38691452800

約数和(自身を除く): 17422180867

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 273, 301, 387, 559, 819, 903, 1677, 2709, 3913, 5031, 11739, 35217, 603949, 1811847, 4227643, 5435541, 7851337, 12682929, 23554011, 25969807, 38048787, 54959359, 70662033, 77909421, 164878077, 181788649, 233728263, 337607491, 494634231, 545365947, 1012822473, 1636097841, 2363252437, 3038467419, 7089757311, 21269271933]

約数ペア:

[(1, 21269271933), (3, 7089757311), (7, 3038467419), (9, 2363252437), (13, 1636097841), (21, 1012822473), (39, 545365947), (43, 494634231), (63, 337607491), (91, 233728263), (117, 181788649), (129, 164878077), (273, 77909421), (301, 70662033), (387, 54959359), (559, 38048787), (819, 25969807), (903, 23554011), (1677, 12682929), (2709, 7851337), (3913, 5435541), (5031, 4227643), (11739, 1811847), (35217, 603949)]