21000969858

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13834631}}^1$

素因数の和:13834670

約数の個数: 32

約数和(自身を含む): 47812488192

約数和(自身を除く): 26811518334

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13834631, 27669262, 41503893, 83007786, 152180941, 304361882, 318196513, 456542823, 636393026, 913085646, 954589539, 1909179078, 3500161643, 7000323286, 10500484929, 21000969858]

約数ペア:

[(1, 21000969858), (2, 10500484929), (3, 7000323286), (6, 3500161643), (11, 1909179078), (22, 954589539), (23, 913085646), (33, 636393026), (46, 456542823), (66, 318196513), (69, 304361882), (138, 152180941), (253, 83007786), (506, 41503893), (759, 27669262), (1518, 13834631)]