21009198

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11633}}^1$

素因数の和:11688

約数の個数: 32

約数和(自身を含む): 49142016

約数和(自身を除く): 28132818

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11633, 23266, 34899, 69798, 81431, 162862, 244293, 488586, 500219, 1000438, 1500657, 3001314, 3501533, 7003066, 10504599, 21009198]

約数ペア:

[(1, 21009198), (2, 10504599), (3, 7003066), (6, 3501533), (7, 3001314), (14, 1500657), (21, 1000438), (42, 500219), (43, 488586), (86, 244293), (129, 162862), (258, 81431), (301, 69798), (602, 34899), (903, 23266), (1806, 11633)]