21424440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178537}}^1$

素因数の和:178551

約数の個数: 32

約数和(自身を含む): 64273680

約数和(自身を除く): 42849240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178537, 357074, 535611, 714148, 892685, 1071222, 1428296, 1785370, 2142444, 2678055, 3570740, 4284888, 5356110, 7141480, 10712220, 21424440]

約数ペア:

[(1, 21424440), (2, 10712220), (3, 7141480), (4, 5356110), (5, 4284888), (6, 3570740), (8, 2678055), (10, 2142444), (12, 1785370), (15, 1428296), (20, 1071222), (24, 892685), (30, 714148), (40, 535611), (60, 357074), (120, 178537)]