21000471494

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{37783}}^1$

素因数の和:38132

約数の個数: 32

約数和(自身を含む): 33755318784

約数和(自身を除く): 12754847290

約数列:

[1, 2, 23, 43, 46, 86, 281, 562, 989, 1978, 6463, 12083, 12926, 24166, 37783, 75566, 277909, 555818, 869009, 1624669, 1738018, 3249338, 10617023, 21234046, 37367387, 74734774, 244191529, 456531989, 488383058, 913063978, 10500235747, 21000471494]

約数ペア:

[(1, 21000471494), (2, 10500235747), (23, 913063978), (43, 488383058), (46, 456531989), (86, 244191529), (281, 74734774), (562, 37367387), (989, 21234046), (1978, 10617023), (6463, 3249338), (12083, 1738018), (12926, 1624669), (24166, 869009), (37783, 555818), (75566, 277909)]