21292695

素因数分解:

$3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1759}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 37065600

約数和(自身を除く): 15772905

約数列:

[1, 3, 5, 9, 15, 45, 269, 807, 1345, 1759, 2421, 4035, 5277, 8795, 12105, 15831, 26385, 79155, 473171, 1419513, 2365855, 4258539, 7097565, 21292695]

約数ペア:

[(1, 21292695), (3, 7097565), (5, 4258539), (9, 2365855), (15, 1419513), (45, 473171), (269, 79155), (807, 26385), (1345, 15831), (1759, 12105), (2421, 8795), (4035, 5277)]