21202753

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2213}}^1$

素因数の和:2304

約数の個数: 16

約数和(自身を含む): 25292736

約数和(自身を除く): 4089983

約数列:

[1, 11, 13, 67, 143, 737, 871, 2213, 9581, 24343, 28769, 148271, 316459, 1630981, 1927523, 21202753]

約数ペア:

[(1, 21202753), (11, 1927523), (13, 1630981), (67, 316459), (143, 148271), (737, 28769), (871, 24343), (2213, 9581)]