21758032

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43867}}^1$

素因数の和:43906

約数の個数: 20

約数和(自身を含む): 43517056

約数和(自身を除く): 21759024

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43867, 87734, 175468, 350936, 701872, 1359877, 2719754, 5439508, 10879016, 21758032]

約数ペア:

[(1, 21758032), (2, 10879016), (4, 5439508), (8, 2719754), (16, 1359877), (31, 701872), (62, 350936), (124, 175468), (248, 87734), (496, 43867)]