21104871

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{1823}}^1$

素因数の和:2070

約数の個数: 16

約数和(自身を含む): 29942784

約数和(自身を除く): 8837913

約数列:

[1, 3, 17, 51, 227, 681, 1823, 3859, 5469, 11577, 30991, 92973, 413821, 1241463, 7034957, 21104871]

約数ペア:

[(1, 21104871), (3, 7034957), (17, 1241463), (51, 413821), (227, 92973), (681, 30991), (1823, 11577), (3859, 5469)]