21590478

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 58968000

約数和(自身を除く): 37377522

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 269, 273, 294, 343, 441, 538, 546, 637, 686, 807, 819, 882, 1029, 1274, 1614, 1638, 1883, 1911, 2058, 2421, 3087, 3497, 3766, 3822, 4459, 4842, 5649, 5733, 6174, 6994, 8918, 10491, 11298, 11466, 13181, 13377, 16947, 20982, 24479, 26362, 26754, 31473, 33894, 39543, 40131, 48958, 62946, 73437, 79086, 80262, 92267, 118629, 146874, 171353, 184534, 220311, 237258, 276801, 342706, 440622, 514059, 553602, 830403, 1028118, 1199471, 1542177, 1660806, 2398942, 3084354, 3598413, 7196826, 10795239, 21590478]

約数ペア:

[(1, 21590478), (2, 10795239), (3, 7196826), (6, 3598413), (7, 3084354), (9, 2398942), (13, 1660806), (14, 1542177), (18, 1199471), (21, 1028118), (26, 830403), (39, 553602), (42, 514059), (49, 440622), (63, 342706), (78, 276801), (91, 237258), (98, 220311), (117, 184534), (126, 171353), (147, 146874), (182, 118629), (234, 92267), (269, 80262), (273, 79086), (294, 73437), (343, 62946), (441, 48958), (538, 40131), (546, 39543), (637, 33894), (686, 31473), (807, 26754), (819, 26362), (882, 24479), (1029, 20982), (1274, 16947), (1614, 13377), (1638, 13181), (1883, 11466), (1911, 11298), (2058, 10491), (2421, 8918), (3087, 6994), (3497, 6174), (3766, 5733), (3822, 5649), (4459, 4842)]