21680016

素因数分解:

$2^4\times 3^1\times {\mathrm{451667}}^1$

素因数の和:451678

約数の個数: 20

約数和(自身を含む): 56006832

約数和(自身を除く): 34326816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 451667, 903334, 1355001, 1806668, 2710002, 3613336, 5420004, 7226672, 10840008, 21680016]

約数ペア:

[(1, 21680016), (2, 10840008), (3, 7226672), (4, 5420004), (6, 3613336), (8, 2710002), (12, 1806668), (16, 1355001), (24, 903334), (48, 451667)]