21377466

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 57542400

約数和(自身を除く): 36164934

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 27, 29, 33, 34, 51, 54, 58, 66, 73, 87, 99, 102, 146, 153, 174, 187, 198, 219, 261, 297, 306, 319, 374, 438, 459, 493, 522, 561, 594, 638, 657, 783, 803, 918, 957, 986, 1122, 1241, 1314, 1479, 1566, 1606, 1683, 1914, 1971, 2117, 2409, 2482, 2871, 2958, 3366, 3723, 3942, 4234, 4437, 4818, 5049, 5423, 5742, 6351, 7227, 7446, 8613, 8874, 10098, 10846, 11169, 12702, 13311, 13651, 14454, 16269, 17226, 19053, 21681, 22338, 23287, 26622, 27302, 32538, 33507, 35989, 38106, 40953, 43362, 46574, 48807, 57159, 67014, 69861, 71978, 81906, 97614, 107967, 114318, 122859, 139722, 146421, 209583, 215934, 245718, 292842, 323901, 368577, 395879, 419166, 628749, 647802, 737154, 791758, 971703, 1187637, 1257498, 1943406, 2375274, 3562911, 7125822, 10688733, 21377466]

約数ペア:

[(1, 21377466), (2, 10688733), (3, 7125822), (6, 3562911), (9, 2375274), (11, 1943406), (17, 1257498), (18, 1187637), (22, 971703), (27, 791758), (29, 737154), (33, 647802), (34, 628749), (51, 419166), (54, 395879), (58, 368577), (66, 323901), (73, 292842), (87, 245718), (99, 215934), (102, 209583), (146, 146421), (153, 139722), (174, 122859), (187, 114318), (198, 107967), (219, 97614), (261, 81906), (297, 71978), (306, 69861), (319, 67014), (374, 57159), (438, 48807), (459, 46574), (493, 43362), (522, 40953), (561, 38106), (594, 35989), (638, 33507), (657, 32538), (783, 27302), (803, 26622), (918, 23287), (957, 22338), (986, 21681), (1122, 19053), (1241, 17226), (1314, 16269), (1479, 14454), (1566, 13651), (1606, 13311), (1683, 12702), (1914, 11169), (1971, 10846), (2117, 10098), (2409, 8874), (2482, 8613), (2871, 7446), (2958, 7227), (3366, 6351), (3723, 5742), (3942, 5423), (4234, 5049), (4437, 4818)]