21449968227

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{3121}}^1\times {\mathrm{20639}}^1$

素因数の和:23803

約数の個数: 24

約数和(自身を含む): 31832411520

約数和(自身を除く): 10382443293

約数列:

[1, 3, 9, 37, 111, 333, 3121, 9363, 20639, 28089, 61917, 115477, 185751, 346431, 763643, 1039293, 2290929, 6872787, 64414319, 193242957, 579728871, 2383329803, 7149989409, 21449968227]

約数ペア:

[(1, 21449968227), (3, 7149989409), (9, 2383329803), (37, 579728871), (111, 193242957), (333, 64414319), (3121, 6872787), (9363, 2290929), (20639, 1039293), (28089, 763643), (61917, 346431), (115477, 185751)]