21999452

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2531}}^1$

素因数の和:2629

約数の個数: 24

約数和(自身を含む): 40198032

約数和(自身を除く): 18198580

約数列:

[1, 2, 4, 41, 53, 82, 106, 164, 212, 2173, 2531, 4346, 5062, 8692, 10124, 103771, 134143, 207542, 268286, 415084, 536572, 5499863, 10999726, 21999452]

約数ペア:

[(1, 21999452), (2, 10999726), (4, 5499863), (41, 536572), (53, 415084), (82, 268286), (106, 207542), (164, 134143), (212, 103771), (2173, 10124), (2531, 8692), (4346, 5062)]