21041880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175349}}^1$

素因数の和:175363

約数の個数: 32

約数和(自身を含む): 63126000

約数和(自身を除く): 42084120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175349, 350698, 526047, 701396, 876745, 1052094, 1402792, 1753490, 2104188, 2630235, 3506980, 4208376, 5260470, 7013960, 10520940, 21041880]

約数ペア:

[(1, 21041880), (2, 10520940), (3, 7013960), (4, 5260470), (5, 4208376), (6, 3506980), (8, 2630235), (10, 2104188), (12, 1753490), (15, 1402792), (20, 1052094), (24, 876745), (30, 701396), (40, 526047), (60, 350698), (120, 175349)]