21134545

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 26045712

約数和(自身を除く): 4911167

約数列:

[1, 5, 53, 173, 265, 461, 865, 2305, 9169, 24433, 45845, 79753, 122165, 398765, 4226909, 21134545]

約数ペア:

[(1, 21134545), (5, 4226909), (53, 398765), (173, 122165), (265, 79753), (461, 45845), (865, 24433), (2305, 9169)]