21135105

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2459}}^1$

素因数の和:2661

約数の個数: 24

約数和(自身を含む): 36840960

約数和(自身を除く): 15705855

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 955, 1719, 2459, 2865, 7377, 8595, 12295, 22131, 36885, 110655, 469669, 1409007, 2348345, 4227021, 7045035, 21135105]

約数ペア:

[(1, 21135105), (3, 7045035), (5, 4227021), (9, 2348345), (15, 1409007), (45, 469669), (191, 110655), (573, 36885), (955, 22131), (1719, 12295), (2459, 8595), (2865, 7377)]