21507411

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{9203}}^1$

素因数の和:9266

約数の個数: 16

約数和(自身を含む): 30925440

約数和(自身を除く): 9418029

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 9203, 27609, 174857, 377323, 524571, 1131969, 7169137, 21507411]

約数ペア:

[(1, 21507411), (3, 7169137), (19, 1131969), (41, 524571), (57, 377323), (123, 174857), (779, 27609), (2337, 9203)]