21767895

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9127}}^1$

素因数の和:9191

約数の個数: 24

約数和(自身を含む): 38447136

約数和(自身を除く): 16679241

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 9127, 27381, 45635, 82143, 136905, 410715, 483731, 1451193, 2418655, 4353579, 7255965, 21767895]

約数ペア:

[(1, 21767895), (3, 7255965), (5, 4353579), (9, 2418655), (15, 1451193), (45, 483731), (53, 410715), (159, 136905), (265, 82143), (477, 45635), (795, 27381), (2385, 9127)]