21889666

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{709}}^1$

素因数の和:1113

約数の個数: 16

約数和(自身を含む): 33739200

約数和(自身を除く): 11849534

約数列:

[1, 2, 43, 86, 359, 709, 718, 1418, 15437, 30487, 30874, 60974, 254531, 509062, 10944833, 21889666]

約数ペア:

[(1, 21889666), (2, 10944833), (43, 509062), (86, 254531), (359, 60974), (709, 30874), (718, 30487), (1418, 15437)]