21534350

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{5189}}^1$

素因数の和:5284

約数の個数: 24

約数和(自身を含む): 40544280

約数和(自身を除く): 19009930

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 5189, 10378, 25945, 51890, 129725, 259450, 430687, 861374, 2153435, 4306870, 10767175, 21534350]

約数ペア:

[(1, 21534350), (2, 10767175), (5, 4306870), (10, 2153435), (25, 861374), (50, 430687), (83, 259450), (166, 129725), (415, 51890), (830, 25945), (2075, 10378), (4150, 5189)]