21288927121

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12020851}}^1$

素因数の和:12020892

約数の個数: 16

約数和(自身を含む): 27696043008

約数和(自身を除く): 6407115887

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 12020851, 84145957, 132229361, 276479573, 925605527, 1935357011, 3041275303, 21288927121]

約数ペア:

[(1, 21288927121), (7, 3041275303), (11, 1935357011), (23, 925605527), (77, 276479573), (161, 132229361), (253, 84145957), (1771, 12020851)]