21134764

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39727}}^1$

素因数の和:39757

約数の個数: 24

約数和(自身を含む): 44495360

約数和(自身を除く): 23360596

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39727, 79454, 158908, 278089, 556178, 754813, 1112356, 1509626, 3019252, 5283691, 10567382, 21134764]

約数ペア:

[(1, 21134764), (2, 10567382), (4, 5283691), (7, 3019252), (14, 1509626), (19, 1112356), (28, 754813), (38, 556178), (76, 278089), (133, 158908), (266, 79454), (532, 39727)]