21093075

素因数分解:

$3^3\times 5^2\times {\mathrm{31249}}^1$

素因数の和:31268

約数の個数: 24

約数和(自身を含む): 38750000

約数和(自身を除く): 17656925

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31249, 93747, 156245, 281241, 468735, 781225, 843723, 1406205, 2343675, 4218615, 7031025, 21093075]

約数ペア:

[(1, 21093075), (3, 7031025), (5, 4218615), (9, 2343675), (15, 1406205), (25, 843723), (27, 781225), (45, 468735), (75, 281241), (135, 156245), (225, 93747), (675, 31249)]