21011882

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2027}}^1$

素因数の和:2173

約数の個数: 16

約数和(自身を含む): 32415552

約数和(自身を除く): 11403670

約数列:

[1, 2, 71, 73, 142, 146, 2027, 4054, 5183, 10366, 143917, 147971, 287834, 295942, 10505941, 21011882]

約数ペア:

[(1, 21011882), (2, 10505941), (71, 295942), (73, 287834), (142, 147971), (146, 143917), (2027, 10366), (4054, 5183)]