21386032

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43117}}^1$

素因数の和:43156

約数の個数: 20

約数和(自身を含む): 42773056

約数和(自身を除く): 21387024

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43117, 86234, 172468, 344936, 689872, 1336627, 2673254, 5346508, 10693016, 21386032]

約数ペア:

[(1, 21386032), (2, 10693016), (4, 5346508), (8, 2673254), (16, 1336627), (31, 689872), (62, 344936), (124, 172468), (248, 86234), (496, 43117)]