21024495

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9161}}^1$

素因数の和:9192

約数の個数: 32

約数和(自身を含む): 39579840

約数和(自身を除く): 18555345

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 9161, 27483, 45805, 82449, 137415, 155737, 247347, 412245, 467211, 778685, 1236735, 1401633, 2336055, 4204899, 7008165, 21024495]

約数ペア:

[(1, 21024495), (3, 7008165), (5, 4204899), (9, 2336055), (15, 1401633), (17, 1236735), (27, 778685), (45, 467211), (51, 412245), (85, 247347), (135, 155737), (153, 137415), (255, 82449), (459, 45805), (765, 27483), (2295, 9161)]