21740626

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{541}}^1$

素因数の和:897

約数の個数: 16

約数和(自身を含む): 33248448

約数和(自身を除く): 11507822

約数列:

[1, 2, 71, 142, 283, 541, 566, 1082, 20093, 38411, 40186, 76822, 153103, 306206, 10870313, 21740626]

約数ペア:

[(1, 21740626), (2, 10870313), (71, 306206), (142, 153103), (283, 76822), (541, 40186), (566, 38411), (1082, 20093)]