21071347

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 24486624

約数和(自身を除く): 3415277

約数列:

[1, 11, 17, 187, 281, 401, 3091, 4411, 4777, 6817, 52547, 74987, 112681, 1239491, 1915577, 21071347]

約数ペア:

[(1, 21071347), (11, 1915577), (17, 1239491), (187, 112681), (281, 74987), (401, 52547), (3091, 6817), (4411, 4777)]