21959181

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3929}}^1$

素因数の和:3967

約数の個数: 24

約数和(自身を含む): 34332480

約数和(自身を除く): 12373299

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3929, 5589, 11787, 35361, 90367, 106083, 271101, 318249, 813303, 954747, 2439909, 7319727, 21959181]

約数ペア:

[(1, 21959181), (3, 7319727), (9, 2439909), (23, 954747), (27, 813303), (69, 318249), (81, 271101), (207, 106083), (243, 90367), (621, 35361), (1863, 11787), (3929, 5589)]