21115980495

素因数分解:

$3^2\times 5^1\times {\mathrm{469244011}}^1$

素因数の和:469244022

約数の個数: 12

約数和(自身を含む): 36601032936

約数和(自身を除く): 15485052441

約数列:

[1, 3, 5, 9, 15, 45, 469244011, 1407732033, 2346220055, 4223196099, 7038660165, 21115980495]

約数ペア:

[(1, 21115980495), (3, 7038660165), (5, 4223196099), (9, 2346220055), (15, 1407732033), (45, 469244011)]