21032165

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{54629}}^1$

素因数の和:54652

約数の個数: 16

約数和(自身を含む): 31466880

約数和(自身を除く): 10434715

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 54629, 273145, 382403, 600919, 1912015, 3004595, 4206433, 21032165]

約数ペア:

[(1, 21032165), (5, 4206433), (7, 3004595), (11, 1912015), (35, 600919), (55, 382403), (77, 273145), (385, 54629)]