21365688

素因数分解:

$2^3\times 3^1\times {\mathrm{890237}}^1$

素因数の和:890246

約数の個数: 16

約数和(自身を含む): 53414280

約数和(自身を除く): 32048592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 890237, 1780474, 2670711, 3560948, 5341422, 7121896, 10682844, 21365688]

約数ペア:

[(1, 21365688), (2, 10682844), (3, 7121896), (4, 5341422), (6, 3560948), (8, 2670711), (12, 1780474), (24, 890237)]