21311868

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1303}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 52577280

約数和(自身を除く): 31265412

約数列:

[1, 2, 3, 4, 6, 12, 29, 47, 58, 87, 94, 116, 141, 174, 188, 282, 348, 564, 1303, 1363, 2606, 2726, 3909, 4089, 5212, 5452, 7818, 8178, 15636, 16356, 37787, 61241, 75574, 113361, 122482, 151148, 183723, 226722, 244964, 367446, 453444, 734892, 1775989, 3551978, 5327967, 7103956, 10655934, 21311868]

約数ペア:

[(1, 21311868), (2, 10655934), (3, 7103956), (4, 5327967), (6, 3551978), (12, 1775989), (29, 734892), (47, 453444), (58, 367446), (87, 244964), (94, 226722), (116, 183723), (141, 151148), (174, 122482), (188, 113361), (282, 75574), (348, 61241), (564, 37787), (1303, 16356), (1363, 15636), (2606, 8178), (2726, 7818), (3909, 5452), (4089, 5212)]