21085603

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6679}}^1$

素因数の和:6738

約数の個数: 16

約数和(自身を含む): 26933760

約数和(自身を除く): 5848157

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 6679, 46753, 73469, 273839, 514283, 1916873, 3012229, 21085603]

約数ペア:

[(1, 21085603), (7, 3012229), (11, 1916873), (41, 514283), (77, 273839), (287, 73469), (451, 46753), (3157, 6679)]