2491902

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19777}}^1$

素因数の和:19792

約数の個数: 24

約数和(自身を含む): 6170736

約数和(自身を除く): 3678834

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 19777, 39554, 59331, 118662, 138439, 177993, 276878, 355986, 415317, 830634, 1245951, 2491902]

約数ペア:

[(1, 2491902), (2, 1245951), (3, 830634), (6, 415317), (7, 355986), (9, 276878), (14, 177993), (18, 138439), (21, 118662), (42, 59331), (63, 39554), (126, 19777)]