21000888001

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{647117}}^1$

素因数の和:647240

約数の個数: 16

約数和(自身を含む): 23482617984

約数和(自身を除く): 2481729983

約数列:

[1, 17, 23, 83, 391, 1411, 1909, 32453, 647117, 11000989, 14883691, 53710711, 253022747, 913082087, 1235346353, 21000888001]

約数ペア:

[(1, 21000888001), (17, 1235346353), (23, 913082087), (83, 253022747), (391, 53710711), (1411, 14883691), (1909, 11000989), (32453, 647117)]