21756203

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{937}}^1$

素因数の和:1082

約数の個数: 16

約数和(自身を含む): 25933824

約数和(自身を除く): 4177621

約数列:

[1, 7, 31, 107, 217, 749, 937, 3317, 6559, 23219, 29047, 100259, 203329, 701813, 3108029, 21756203]

約数ペア:

[(1, 21756203), (7, 3108029), (31, 701813), (107, 203329), (217, 100259), (749, 29047), (937, 23219), (3317, 6559)]