21169725255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{67205477}}^1$

素因数の和:67205495

約数の個数: 24

約数和(自身を含む): 41936218272

約数和(自身を除く): 20766493017

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 67205477, 201616431, 336027385, 470438339, 604849293, 1008082155, 1411315017, 2352191695, 3024246465, 4233945051, 7056575085, 21169725255]

約数ペア:

[(1, 21169725255), (3, 7056575085), (5, 4233945051), (7, 3024246465), (9, 2352191695), (15, 1411315017), (21, 1008082155), (35, 604849293), (45, 470438339), (63, 336027385), (105, 201616431), (315, 67205477)]