21167883265

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{23537}}^1$

素因数の和:23721

約数の個数: 32

約数和(自身を含む): 26844618240

約数和(自身を除く): 5676734975

約数列:

[1, 5, 43, 47, 89, 215, 235, 445, 2021, 3827, 4183, 10105, 19135, 20915, 23537, 117685, 179869, 899345, 1012091, 1106239, 2094793, 5060455, 5531195, 10473965, 47568277, 90076099, 98455271, 237841385, 450380495, 492276355, 4233576653, 21167883265]

約数ペア:

[(1, 21167883265), (5, 4233576653), (43, 492276355), (47, 450380495), (89, 237841385), (215, 98455271), (235, 90076099), (445, 47568277), (2021, 10473965), (3827, 5531195), (4183, 5060455), (10105, 2094793), (19135, 1106239), (20915, 1012091), (23537, 899345), (117685, 179869)]