21565467

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 42900480

約数和(自身を除く): 21335013

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 41, 63, 69, 77, 99, 121, 123, 161, 189, 207, 231, 253, 287, 297, 363, 369, 451, 483, 621, 693, 759, 847, 861, 943, 1089, 1107, 1353, 1449, 1771, 2079, 2277, 2541, 2583, 2783, 2829, 3157, 3267, 4059, 4347, 4961, 5313, 6601, 6831, 7623, 7749, 8349, 8487, 9471, 10373, 12177, 14883, 15939, 19481, 19803, 22869, 25047, 25461, 28413, 31119, 34727, 44649, 47817, 58443, 59409, 72611, 75141, 85239, 93357, 104181, 114103, 133947, 175329, 178227, 217833, 280071, 312543, 342309, 525987, 653499, 798721, 937629, 1026927, 1960497, 2396163, 3080781, 7188489, 21565467]

約数ペア:

[(1, 21565467), (3, 7188489), (7, 3080781), (9, 2396163), (11, 1960497), (21, 1026927), (23, 937629), (27, 798721), (33, 653499), (41, 525987), (63, 342309), (69, 312543), (77, 280071), (99, 217833), (121, 178227), (123, 175329), (161, 133947), (189, 114103), (207, 104181), (231, 93357), (253, 85239), (287, 75141), (297, 72611), (363, 59409), (369, 58443), (451, 47817), (483, 44649), (621, 34727), (693, 31119), (759, 28413), (847, 25461), (861, 25047), (943, 22869), (1089, 19803), (1107, 19481), (1353, 15939), (1449, 14883), (1771, 12177), (2079, 10373), (2277, 9471), (2541, 8487), (2583, 8349), (2783, 7749), (2829, 7623), (3157, 6831), (3267, 6601), (4059, 5313), (4347, 4961)]