21214095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{719}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 17769585

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 281, 719, 843, 1405, 1967, 2157, 3595, 4215, 5033, 5901, 9835, 10785, 15099, 25165, 29505, 75495, 202039, 606117, 1010195, 1414273, 3030585, 4242819, 7071365, 21214095]

約数ペア:

[(1, 21214095), (3, 7071365), (5, 4242819), (7, 3030585), (15, 1414273), (21, 1010195), (35, 606117), (105, 202039), (281, 75495), (719, 29505), (843, 25165), (1405, 15099), (1967, 10785), (2157, 9835), (3595, 5901), (4215, 5033)]