21759986

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{1447}}^1$

素因数の和:1625

約数の個数: 16

約数和(自身を含む): 33431424

約数和(自身を除く): 11671438

約数列:

[1, 2, 73, 103, 146, 206, 1447, 2894, 7519, 15038, 105631, 149041, 211262, 298082, 10879993, 21759986]

約数ペア:

[(1, 21759986), (2, 10879993), (73, 298082), (103, 211262), (146, 149041), (206, 105631), (1447, 15038), (2894, 7519)]