21537039

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{683}}^1$

素因数の和:1166

約数の個数: 16

約数和(自身を含む): 30074112

約数和(自身を除く): 8537073

約数列:

[1, 3, 23, 69, 457, 683, 1371, 2049, 10511, 15709, 31533, 47127, 312131, 936393, 7179013, 21537039]

約数ペア:

[(1, 21537039), (3, 7179013), (23, 936393), (69, 312131), (457, 47127), (683, 31533), (1371, 15709), (2049, 10511)]