21000687200

素因数分解:

$2^5\times 5^2\times {\mathrm{26250859}}^1$

素因数の和:26250879

約数の個数: 36

約数和(自身を含む): 51267929580

約数和(自身を除く): 30267242380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26250859, 52501718, 105003436, 131254295, 210006872, 262508590, 420013744, 525017180, 656271475, 840027488, 1050034360, 1312542950, 2100068720, 2625085900, 4200137440, 5250171800, 10500343600, 21000687200]

約数ペア:

[(1, 21000687200), (2, 10500343600), (4, 5250171800), (5, 4200137440), (8, 2625085900), (10, 2100068720), (16, 1312542950), (20, 1050034360), (25, 840027488), (32, 656271475), (40, 525017180), (50, 420013744), (80, 262508590), (100, 210006872), (160, 131254295), (200, 105003436), (400, 52501718), (800, 26250859)]