21517902

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{170777}}^1$

素因数の和:170792

約数の個数: 24

約数和(自身を含む): 53282736

約数和(自身を除く): 31764834

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 170777, 341554, 512331, 1024662, 1195439, 1536993, 2390878, 3073986, 3586317, 7172634, 10758951, 21517902]

約数ペア:

[(1, 21517902), (2, 10758951), (3, 7172634), (6, 3586317), (7, 3073986), (9, 2390878), (14, 1536993), (18, 1195439), (21, 1024662), (42, 512331), (63, 341554), (126, 170777)]