21019703042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1613}}^1\times {\mathrm{501209}}^1$

素因数の和:502837

約数の個数: 16

約数和(自身を含む): 33976023480

約数和(自身を除く): 12956320438

約数列:

[1, 2, 13, 26, 1613, 3226, 20969, 41938, 501209, 1002418, 6515717, 13031434, 808450117, 1616900234, 10509851521, 21019703042]

約数ペア:

[(1, 21019703042), (2, 10509851521), (13, 1616900234), (26, 808450117), (1613, 13031434), (3226, 6515717), (20969, 1002418), (41938, 501209)]