21057204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{250681}}^1$

素因数の和:250695

約数の個数: 24

約数和(自身を含む): 56152768

約数和(自身を除く): 35095564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 250681, 501362, 752043, 1002724, 1504086, 1754767, 3008172, 3509534, 5264301, 7019068, 10528602, 21057204]

約数ペア:

[(1, 21057204), (2, 10528602), (3, 7019068), (4, 5264301), (6, 3509534), (7, 3008172), (12, 1754767), (14, 1504086), (21, 1002724), (28, 752043), (42, 501362), (84, 250681)]