21133899

素因数分解:

$3^3\times {\mathrm{439}}^1\times {\mathrm{1783}}^1$

素因数の和:2231

約数の個数: 16

約数和(自身を含む): 31398400

約数和(自身を除く): 10264501

約数列:

[1, 3, 9, 27, 439, 1317, 1783, 3951, 5349, 11853, 16047, 48141, 782737, 2348211, 7044633, 21133899]

約数ペア:

[(1, 21133899), (3, 7044633), (9, 2348211), (27, 782737), (439, 48141), (1317, 16047), (1783, 11853), (3951, 5349)]