21577089

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1117}}^1$

素因数の和:1304

約数の個数: 16

約数和(自身を含む): 29622528

約数和(自身を除く): 8045439

約数列:

[1, 3, 47, 137, 141, 411, 1117, 3351, 6439, 19317, 52499, 153029, 157497, 459087, 7192363, 21577089]

約数ペア:

[(1, 21577089), (3, 7192363), (47, 459087), (137, 157497), (141, 153029), (411, 52499), (1117, 19317), (3351, 6439)]