21167881257

素因数分解:

$3^1\times {\mathrm{419}}^1\times {\mathrm{607}}^1\times {\mathrm{27743}}^1$

素因数の和:28772

約数の個数: 16

約数和(自身を含む): 28338831360

約数和(自身を除く): 7170950103

約数列:

[1, 3, 419, 607, 1257, 1821, 27743, 83229, 254333, 762999, 11624317, 16840001, 34872951, 50520003, 7055960419, 21167881257]

約数ペア:

[(1, 21167881257), (3, 7055960419), (419, 50520003), (607, 34872951), (1257, 16840001), (1821, 11624317), (27743, 762999), (83229, 254333)]