21616659

素因数分解:

$3^3\times {\mathrm{43}}^2\times {\mathrm{433}}^1$

素因数の和:528

約数の個数: 24

約数和(自身を含む): 32862480

約数和(自身を除く): 11245821

約数列:

[1, 3, 9, 27, 43, 129, 387, 433, 1161, 1299, 1849, 3897, 5547, 11691, 16641, 18619, 49923, 55857, 167571, 502713, 800617, 2401851, 7205553, 21616659]

約数ペア:

[(1, 21616659), (3, 7205553), (9, 2401851), (27, 800617), (43, 502713), (129, 167571), (387, 55857), (433, 49923), (1161, 18619), (1299, 16641), (1849, 11691), (3897, 5547)]