21000391758

素因数分解:

$2^1\times 3^2\times {\mathrm{3923}}^1\times {\mathrm{297397}}^1$

素因数の和:301328

約数の個数: 24

約数和(自身を含む): 45512600328

約数和(自身を除く): 24512208570

約数列:

[1, 2, 3, 6, 9, 18, 3923, 7846, 11769, 23538, 35307, 70614, 297397, 594794, 892191, 1784382, 2676573, 5353146, 1166688431, 2333376862, 3500065293, 7000130586, 10500195879, 21000391758]

約数ペア:

[(1, 21000391758), (2, 10500195879), (3, 7000130586), (6, 3500065293), (9, 2333376862), (18, 1166688431), (3923, 5353146), (7846, 2676573), (11769, 1784382), (23538, 892191), (35307, 594794), (70614, 297397)]