21751077

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{7331}}^1$

素因数の和:7400

約数の個数: 16

約数和(自身を含む): 30970368

約数和(自身を除く): 9219291

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 7331, 21993, 168613, 315233, 505839, 945699, 7250359, 21751077]

約数ペア:

[(1, 21751077), (3, 7250359), (23, 945699), (43, 505839), (69, 315233), (129, 168613), (989, 21993), (2967, 7331)]