21288054906

素因数分解:

$2^1\times 3^3\times {\mathrm{409}}^1\times {\mathrm{963871}}^1$

素因数の和:964291

約数の個数: 32

約数和(自身を含む): 47422502400

約数和(自身を除く): 26134447494

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 409, 818, 1227, 2454, 3681, 7362, 11043, 22086, 963871, 1927742, 2891613, 5783226, 8674839, 17349678, 26024517, 52049034, 394223239, 788446478, 1182669717, 2365339434, 3548009151, 7096018302, 10644027453, 21288054906]

約数ペア:

[(1, 21288054906), (2, 10644027453), (3, 7096018302), (6, 3548009151), (9, 2365339434), (18, 1182669717), (27, 788446478), (54, 394223239), (409, 52049034), (818, 26024517), (1227, 17349678), (2454, 8674839), (3681, 5783226), (7362, 2891613), (11043, 1927742), (22086, 963871)]