21589709

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 1738291

約数列:

[1, 23, 53, 89, 199, 1219, 2047, 4577, 4717, 10547, 17711, 108491, 242581, 407353, 938683, 21589709]

約数ペア:

[(1, 21589709), (23, 938683), (53, 407353), (89, 242581), (199, 108491), (1219, 17711), (2047, 10547), (4577, 4717)]