21648606

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{727}}^1$

素因数の和:1448

約数の個数: 32

約数和(自身を含む): 49620480

約数和(自身を除く): 27971874

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 709, 727, 1418, 1454, 2127, 2181, 4254, 4362, 4963, 5089, 9926, 10178, 14889, 15267, 29778, 30534, 515443, 1030886, 1546329, 3092658, 3608101, 7216202, 10824303, 21648606]

約数ペア:

[(1, 21648606), (2, 10824303), (3, 7216202), (6, 3608101), (7, 3092658), (14, 1546329), (21, 1030886), (42, 515443), (709, 30534), (727, 29778), (1418, 15267), (1454, 14889), (2127, 10178), (2181, 9926), (4254, 5089), (4362, 4963)]