21054368

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{9013}}^1$

素因数の和:9096

約数の個数: 24

約数和(自身を含む): 42023268

約数和(自身を除く): 20968900

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 9013, 18026, 36052, 72104, 144208, 288416, 657949, 1315898, 2631796, 5263592, 10527184, 21054368]

約数ペア:

[(1, 21054368), (2, 10527184), (4, 5263592), (8, 2631796), (16, 1315898), (32, 657949), (73, 288416), (146, 144208), (292, 72104), (584, 36052), (1168, 18026), (2336, 9013)]