21013221383

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11865173}}^1$

素因数の和:11865214

約数の個数: 16

約数和(自身を含む): 27337360896

約数和(自身を除く): 6324139513

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11865173, 83056211, 130516903, 272898979, 913618321, 1910292853, 3001888769, 21013221383]

約数ペア:

[(1, 21013221383), (7, 3001888769), (11, 1910292853), (23, 913618321), (77, 272898979), (161, 130516903), (253, 83056211), (1771, 11865173)]