21279258

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1181}}^1$

素因数の和:1220

約数の個数: 96

約数和(自身を含む): 61955712

約数和(自身を除く): 40676454

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 33, 39, 42, 63, 66, 77, 78, 91, 99, 117, 126, 143, 154, 182, 198, 231, 234, 273, 286, 429, 462, 546, 693, 819, 858, 1001, 1181, 1287, 1386, 1638, 2002, 2362, 2574, 3003, 3543, 6006, 7086, 8267, 9009, 10629, 12991, 15353, 16534, 18018, 21258, 24801, 25982, 30706, 38973, 46059, 49602, 74403, 77946, 90937, 92118, 107471, 116919, 138177, 148806, 168883, 181874, 214942, 233838, 272811, 276354, 322413, 337766, 506649, 545622, 644826, 818433, 967239, 1013298, 1182181, 1519947, 1636866, 1934478, 2364362, 3039894, 3546543, 7093086, 10639629, 21279258]

約数ペア:

[(1, 21279258), (2, 10639629), (3, 7093086), (6, 3546543), (7, 3039894), (9, 2364362), (11, 1934478), (13, 1636866), (14, 1519947), (18, 1182181), (21, 1013298), (22, 967239), (26, 818433), (33, 644826), (39, 545622), (42, 506649), (63, 337766), (66, 322413), (77, 276354), (78, 272811), (91, 233838), (99, 214942), (117, 181874), (126, 168883), (143, 148806), (154, 138177), (182, 116919), (198, 107471), (231, 92118), (234, 90937), (273, 77946), (286, 74403), (429, 49602), (462, 46059), (546, 38973), (693, 30706), (819, 25982), (858, 24801), (1001, 21258), (1181, 18018), (1287, 16534), (1386, 15353), (1638, 12991), (2002, 10629), (2362, 9009), (2574, 8267), (3003, 7086), (3543, 6006)]