21617350

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{5209}}^1$

素因数の和:5304

約数の個数: 24

約数和(自身を含む): 40700520

約数和(自身を除く): 19083170

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 5209, 10418, 26045, 52090, 130225, 260450, 432347, 864694, 2161735, 4323470, 10808675, 21617350]

約数ペア:

[(1, 21617350), (2, 10808675), (5, 4323470), (10, 2161735), (25, 864694), (50, 432347), (83, 260450), (166, 130225), (415, 52090), (830, 26045), (2075, 10418), (4150, 5209)]