21233151

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{5009}}^1$

素因数の和:5175

約数の個数: 16

約数和(自身を含む): 31663200

約数和(自身を除く): 10430049

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 5009, 15027, 45081, 135243, 786413, 2359239, 7077717, 21233151]

約数ペア:

[(1, 21233151), (3, 7077717), (9, 2359239), (27, 786413), (157, 135243), (471, 45081), (1413, 15027), (4239, 5009)]