21671923

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{14009}}^1$

素因数の和:14046

約数の個数: 16

約数和(自身を含む): 28244160

約数和(自身を除く): 6572237

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 14009, 98063, 182117, 238153, 1274819, 1667071, 3095989, 21671923]

約数ペア:

[(1, 21671923), (7, 3095989), (13, 1667071), (17, 1274819), (91, 238153), (119, 182117), (221, 98063), (1547, 14009)]