21299878

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{857}}^1$

素因数の和:936

約数の個数: 24

約数和(自身を含む): 34769592

約数和(自身を除く): 13469714

約数列:

[1, 2, 17, 34, 43, 86, 289, 578, 731, 857, 1462, 1714, 12427, 14569, 24854, 29138, 36851, 73702, 247673, 495346, 626467, 1252934, 10649939, 21299878]

約数ペア:

[(1, 21299878), (2, 10649939), (17, 1252934), (34, 626467), (43, 495346), (86, 247673), (289, 73702), (578, 36851), (731, 29138), (857, 24854), (1462, 14569), (1714, 12427)]