21089080324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21345223}}^1$

素因数の和:21345259

約数の個数: 24

約数和(自身を含む): 41836639040

約数和(自身を除く): 20747558716

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21345223, 42690446, 85380892, 277487899, 405559237, 554975798, 811118474, 1109951596, 1622236948, 5272270081, 10544540162, 21089080324]

約数ペア:

[(1, 21089080324), (2, 10544540162), (4, 5272270081), (13, 1622236948), (19, 1109951596), (26, 811118474), (38, 554975798), (52, 405559237), (76, 277487899), (247, 85380892), (494, 42690446), (988, 21345223)]