21940784

素因数分解:

$2^4\times {\mathrm{883}}^1\times {\mathrm{1553}}^1$

素因数の和:2444

約数の個数: 20

約数和(自身を含む): 42585816

約数和(自身を除く): 20645032

約数列:

[1, 2, 4, 8, 16, 883, 1553, 1766, 3106, 3532, 6212, 7064, 12424, 14128, 24848, 1371299, 2742598, 5485196, 10970392, 21940784]

約数ペア:

[(1, 21940784), (2, 10970392), (4, 5485196), (8, 2742598), (16, 1371299), (883, 24848), (1553, 14128), (1766, 12424), (3106, 7064), (3532, 6212)]