21834495

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 39061440

約数和(自身を除く): 17226945

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 591, 821, 985, 1773, 2463, 2955, 4105, 5319, 7389, 8865, 12315, 22167, 26595, 36945, 110835, 161737, 485211, 808685, 1455633, 2426055, 4366899, 7278165, 21834495]

約数ペア:

[(1, 21834495), (3, 7278165), (5, 4366899), (9, 2426055), (15, 1455633), (27, 808685), (45, 485211), (135, 161737), (197, 110835), (591, 36945), (821, 26595), (985, 22167), (1773, 12315), (2463, 8865), (2955, 7389), (4105, 5319)]