21741009

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{761}}^1$

素因数の和:960

約数の個数: 16

約数和(自身を含む): 29626560

約数和(自身を除く): 7885551

約数列:

[1, 3, 89, 107, 267, 321, 761, 2283, 9523, 28569, 67729, 81427, 203187, 244281, 7247003, 21741009]

約数ペア:

[(1, 21741009), (3, 7247003), (89, 244281), (107, 203187), (267, 81427), (321, 67729), (761, 28569), (2283, 9523)]