21830795

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 31961088

約数和(自身を除く): 10130293

約数列:

[1, 5, 7, 23, 35, 47, 115, 161, 235, 329, 577, 805, 1081, 1645, 2885, 4039, 5405, 7567, 13271, 20195, 27119, 37835, 66355, 92897, 135595, 189833, 464485, 623737, 949165, 3118685, 4366159, 21830795]

約数ペア:

[(1, 21830795), (5, 4366159), (7, 3118685), (23, 949165), (35, 623737), (47, 464485), (115, 189833), (161, 135595), (235, 92897), (329, 66355), (577, 37835), (805, 27119), (1081, 20195), (1645, 13271), (2885, 7567), (4039, 5405)]