21701674

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{647}}^1$

素因数の和:1221

約数の個数: 16

約数和(自身を含む): 33716736

約数和(自身を除く): 12015062

約数列:

[1, 2, 31, 62, 541, 647, 1082, 1294, 16771, 20057, 33542, 40114, 350027, 700054, 10850837, 21701674]

約数ペア:

[(1, 21701674), (2, 10850837), (31, 700054), (62, 350027), (541, 40114), (647, 33542), (1082, 20057), (1294, 16771)]