21000966504

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{125005753}}^1$

素因数の和:125005769

約数の個数: 32

約数和(自身を含む): 60002761920

約数和(自身を除く): 39001795416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 125005753, 250011506, 375017259, 500023012, 750034518, 875040271, 1000046024, 1500069036, 1750080542, 2625120813, 3000138072, 3500161084, 5250241626, 7000322168, 10500483252, 21000966504]

約数ペア:

[(1, 21000966504), (2, 10500483252), (3, 7000322168), (4, 5250241626), (6, 3500161084), (7, 3000138072), (8, 2625120813), (12, 1750080542), (14, 1500069036), (21, 1000046024), (24, 875040271), (28, 750034518), (42, 500023012), (56, 375017259), (84, 250011506), (168, 125005753)]