21618927

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{877}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 35400960

約数和(自身を除く): 13782033

約数列:

[1, 3, 9, 11, 27, 33, 83, 99, 249, 297, 747, 877, 913, 2241, 2631, 2739, 7893, 8217, 9647, 23679, 24651, 28941, 72791, 86823, 218373, 260469, 655119, 800701, 1965357, 2402103, 7206309, 21618927]

約数ペア:

[(1, 21618927), (3, 7206309), (9, 2402103), (11, 1965357), (27, 800701), (33, 655119), (83, 260469), (99, 218373), (249, 86823), (297, 72791), (747, 28941), (877, 24651), (913, 23679), (2241, 9647), (2631, 8217), (2739, 7893)]