21661302

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{839}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 46851840

約数和(自身を除く): 25190538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 331, 662, 839, 993, 1678, 1986, 2517, 4303, 5034, 8606, 10907, 12909, 21814, 25818, 32721, 65442, 277709, 555418, 833127, 1666254, 3610217, 7220434, 10830651, 21661302]

約数ペア:

[(1, 21661302), (2, 10830651), (3, 7220434), (6, 3610217), (13, 1666254), (26, 833127), (39, 555418), (78, 277709), (331, 65442), (662, 32721), (839, 25818), (993, 21814), (1678, 12909), (1986, 10907), (2517, 8606), (4303, 5034)]