21754539

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{773}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 32600880

約数和(自身を除く): 10846341

約数列:

[1, 3, 9, 53, 59, 159, 177, 477, 531, 773, 2319, 3127, 6957, 9381, 28143, 40969, 45607, 122907, 136821, 368721, 410463, 2417171, 7251513, 21754539]

約数ペア:

[(1, 21754539), (3, 7251513), (9, 2417171), (53, 410463), (59, 368721), (159, 136821), (177, 122907), (477, 45607), (531, 40969), (773, 28143), (2319, 9381), (3127, 6957)]