21702754

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:402

約数の個数: 24

約数和(自身を含む): 34620012

約数和(自身を除く): 12917258

約数列:

[1, 2, 23, 46, 73, 146, 281, 529, 562, 1058, 1679, 3358, 6463, 12926, 20513, 38617, 41026, 77234, 148649, 297298, 471799, 943598, 10851377, 21702754]

約数ペア:

[(1, 21702754), (2, 10851377), (23, 943598), (46, 471799), (73, 297298), (146, 148649), (281, 77234), (529, 41026), (562, 38617), (1058, 20513), (1679, 12926), (3358, 6463)]