21000316638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{665789}}^1$

素因数の和:666552

約数の個数: 32

約数和(自身を含む): 48064711680

約数和(自身を除く): 27064395042

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 751, 1502, 2253, 4506, 5257, 10514, 15771, 31542, 665789, 1331578, 1997367, 3994734, 4660523, 9321046, 13981569, 27963138, 500007539, 1000015078, 1500022617, 3000045234, 3500052773, 7000105546, 10500158319, 21000316638]

約数ペア:

[(1, 21000316638), (2, 10500158319), (3, 7000105546), (6, 3500052773), (7, 3000045234), (14, 1500022617), (21, 1000015078), (42, 500007539), (751, 27963138), (1502, 13981569), (2253, 9321046), (4506, 4660523), (5257, 3994734), (10514, 1997367), (15771, 1331578), (31542, 665789)]