21133528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{203207}}^1$

素因数の和:203226

約数の個数: 16

約数和(自身を含む): 42673680

約数和(自身を除く): 21540152

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 203207, 406414, 812828, 1625656, 2641691, 5283382, 10566764, 21133528]

約数ペア:

[(1, 21133528), (2, 10566764), (4, 5283382), (8, 2641691), (13, 1625656), (26, 812828), (52, 406414), (104, 203207)]