21297858

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{25537}}^1$

素因数の和:25681

約数の個数: 16

約数和(自身を含む): 42903840

約数和(自身を除く): 21605982

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 25537, 51074, 76611, 153222, 3549643, 7099286, 10648929, 21297858]

約数ペア:

[(1, 21297858), (2, 10648929), (3, 7099286), (6, 3549643), (139, 153222), (278, 76611), (417, 51074), (834, 25537)]