21173004

素因数分解:

$2^2\times 3^2\times {\mathrm{701}}^1\times {\mathrm{839}}^1$

素因数の和:1550

約数の個数: 36

約数和(自身を含む): 53660880

約数和(自身を除く): 32487876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 701, 839, 1402, 1678, 2103, 2517, 2804, 3356, 4206, 5034, 6309, 7551, 8412, 10068, 12618, 15102, 25236, 30204, 588139, 1176278, 1764417, 2352556, 3528834, 5293251, 7057668, 10586502, 21173004]

約数ペア:

[(1, 21173004), (2, 10586502), (3, 7057668), (4, 5293251), (6, 3528834), (9, 2352556), (12, 1764417), (18, 1176278), (36, 588139), (701, 30204), (839, 25236), (1402, 15102), (1678, 12618), (2103, 10068), (2517, 8412), (2804, 7551), (3356, 6309), (4206, 5034)]