21510129

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1213}}^1$

素因数の和:1496

約数の個数: 16

約数和(自身を含む): 30068352

約数和(自身を除く): 8558223

約数列:

[1, 3, 23, 69, 257, 771, 1213, 3639, 5911, 17733, 27899, 83697, 311741, 935223, 7170043, 21510129]

約数ペア:

[(1, 21510129), (3, 7170043), (23, 935223), (69, 311741), (257, 83697), (771, 27899), (1213, 17733), (3639, 5911)]