21106965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127921}}^1$

素因数の和:127940

約数の個数: 16

約数和(自身を含む): 36841536

約数和(自身を除く): 15734571

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 127921, 383763, 639605, 1407131, 1918815, 4221393, 7035655, 21106965]

約数ペア:

[(1, 21106965), (3, 7035655), (5, 4221393), (11, 1918815), (15, 1407131), (33, 639605), (55, 383763), (165, 127921)]