21669549

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{15271}}^1$

素因数の和:15328

約数の個数: 16

約数和(自身を含む): 32254464

約数和(自身を除く): 10584915

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 15271, 45813, 167981, 503943, 656653, 1969959, 7223183, 21669549]

約数ペア:

[(1, 21669549), (3, 7223183), (11, 1969959), (33, 656653), (43, 503943), (129, 167981), (473, 45813), (1419, 15271)]