21189060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39239}}^1$

素因数の和:39257

約数の個数: 48

約数和(自身を含む): 65923200

約数和(自身を除く): 44734140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39239, 78478, 117717, 156956, 196195, 235434, 353151, 392390, 470868, 588585, 706302, 784780, 1059453, 1177170, 1412604, 1765755, 2118906, 2354340, 3531510, 4237812, 5297265, 7063020, 10594530, 21189060]

約数ペア:

[(1, 21189060), (2, 10594530), (3, 7063020), (4, 5297265), (5, 4237812), (6, 3531510), (9, 2354340), (10, 2118906), (12, 1765755), (15, 1412604), (18, 1177170), (20, 1059453), (27, 784780), (30, 706302), (36, 588585), (45, 470868), (54, 392390), (60, 353151), (90, 235434), (108, 196195), (135, 156956), (180, 117717), (270, 78478), (540, 39239)]