21006939092

素因数分解:

$2^2\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{136739}}^1$

素因数の和:137135

約数の個数: 24

約数和(自身を含む): 37138584000

約数和(自身を除く): 16131644908

約数列:

[1, 2, 4, 193, 199, 386, 398, 772, 796, 38407, 76814, 136739, 153628, 273478, 546956, 26390627, 27211061, 52781254, 54422122, 105562508, 108844244, 5251734773, 10503469546, 21006939092]

約数ペア:

[(1, 21006939092), (2, 10503469546), (4, 5251734773), (193, 108844244), (199, 105562508), (386, 54422122), (398, 52781254), (772, 27211061), (796, 26390627), (38407, 546956), (76814, 273478), (136739, 153628)]