21057672

素因数分解:

$2^3\times 3^1\times {\mathrm{877403}}^1$

素因数の和:877412

約数の個数: 16

約数和(自身を含む): 52644240

約数和(自身を除く): 31586568

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 877403, 1754806, 2632209, 3509612, 5264418, 7019224, 10528836, 21057672]

約数ペア:

[(1, 21057672), (2, 10528836), (3, 7019224), (4, 5264418), (6, 3509612), (8, 2632209), (12, 1754806), (24, 877403)]