21492097

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 5879423

約数列:

[1, 11, 17, 19, 23, 187, 209, 253, 263, 323, 391, 437, 2893, 3553, 4301, 4471, 4807, 4997, 6049, 7429, 49181, 54967, 66539, 81719, 84949, 102833, 114931, 934439, 1131163, 1264241, 1953827, 21492097]

約数ペア:

[(1, 21492097), (11, 1953827), (17, 1264241), (19, 1131163), (23, 934439), (187, 114931), (209, 102833), (253, 84949), (263, 81719), (323, 66539), (391, 54967), (437, 49181), (2893, 7429), (3553, 6049), (4301, 4997), (4471, 4807)]