21000929487

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{1163}}^1\times {\mathrm{139981}}^1$

素因数の和:141190

約数の個数: 16

約数和(自身を含む): 28677272448

約数和(自身を除く): 7676342961

約数列:

[1, 3, 43, 129, 1163, 3489, 50009, 139981, 150027, 419943, 6019183, 18057549, 162797903, 488393709, 7000309829, 21000929487]

約数ペア:

[(1, 21000929487), (3, 7000309829), (43, 488393709), (129, 162797903), (1163, 18057549), (3489, 6019183), (50009, 419943), (139981, 150027)]