21432983

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2206

約数の個数: 16

約数和(自身を含む): 25546752

約数和(自身を除く): 4113769

約数列:

[1, 11, 13, 71, 143, 781, 923, 2111, 10153, 23221, 27443, 149881, 301873, 1648691, 1948453, 21432983]

約数ペア:

[(1, 21432983), (11, 1948453), (13, 1648691), (71, 301873), (143, 149881), (781, 27443), (923, 23221), (2111, 10153)]