21420648

素因数分解:

$2^3\times 3^2\times {\mathrm{297509}}^1$

素因数の和:297521

約数の個数: 24

約数和(自身を含む): 58014450

約数和(自身を除く): 36593802

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 297509, 595018, 892527, 1190036, 1785054, 2380072, 2677581, 3570108, 5355162, 7140216, 10710324, 21420648]

約数ペア:

[(1, 21420648), (2, 10710324), (3, 7140216), (4, 5355162), (6, 3570108), (8, 2677581), (9, 2380072), (12, 1785054), (18, 1190036), (24, 892527), (36, 595018), (72, 297509)]