21960616

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{63839}}^1$

素因数の和:63888

約数の個数: 16

約数和(自身を含む): 42134400

約数和(自身を除く): 20173784

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 63839, 127678, 255356, 510712, 2745077, 5490154, 10980308, 21960616]

約数ペア:

[(1, 21960616), (2, 10980308), (4, 5490154), (8, 2745077), (43, 510712), (86, 255356), (172, 127678), (344, 63839)]