21275793

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2791}}^1$

素因数の和:2826

約数の個数: 36

約数和(自身を含む): 38618944

約数和(自身を除く): 17343151

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2541, 2791, 7623, 8373, 19537, 25119, 30701, 58611, 92103, 175833, 214907, 276309, 337711, 644721, 1013133, 1934163, 2363977, 3039399, 7091931, 21275793]

約数ペア:

[(1, 21275793), (3, 7091931), (7, 3039399), (9, 2363977), (11, 1934163), (21, 1013133), (33, 644721), (63, 337711), (77, 276309), (99, 214907), (121, 175833), (231, 92103), (363, 58611), (693, 30701), (847, 25119), (1089, 19537), (2541, 8373), (2791, 7623)]