21366380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{152617}}^1$

素因数の和:152633

約数の個数: 24

約数和(自身を含む): 51279648

約数和(自身を除く): 29913268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 152617, 305234, 610468, 763085, 1068319, 1526170, 2136638, 3052340, 4273276, 5341595, 10683190, 21366380]

約数ペア:

[(1, 21366380), (2, 10683190), (4, 5341595), (5, 4273276), (7, 3052340), (10, 2136638), (14, 1526170), (20, 1068319), (28, 763085), (35, 610468), (70, 305234), (140, 152617)]