21402304

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:174

約数の個数: 112

約数和(自身を含む): 54717696

約数和(自身を除く): 33315392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 43, 44, 56, 64, 77, 86, 88, 101, 112, 154, 172, 176, 202, 224, 301, 308, 344, 352, 404, 448, 473, 602, 616, 688, 704, 707, 808, 946, 1111, 1204, 1232, 1376, 1414, 1616, 1892, 2222, 2408, 2464, 2752, 2828, 3232, 3311, 3784, 4343, 4444, 4816, 4928, 5656, 6464, 6622, 7568, 7777, 8686, 8888, 9632, 11312, 13244, 15136, 15554, 17372, 17776, 19264, 22624, 26488, 30272, 30401, 31108, 34744, 35552, 45248, 47773, 52976, 60802, 62216, 69488, 71104, 95546, 105952, 121604, 124432, 138976, 191092, 211904, 243208, 248864, 277952, 334411, 382184, 486416, 497728, 668822, 764368, 972832, 1337644, 1528736, 1945664, 2675288, 3057472, 5350576, 10701152, 21402304]

約数ペア:

[(1, 21402304), (2, 10701152), (4, 5350576), (7, 3057472), (8, 2675288), (11, 1945664), (14, 1528736), (16, 1337644), (22, 972832), (28, 764368), (32, 668822), (43, 497728), (44, 486416), (56, 382184), (64, 334411), (77, 277952), (86, 248864), (88, 243208), (101, 211904), (112, 191092), (154, 138976), (172, 124432), (176, 121604), (202, 105952), (224, 95546), (301, 71104), (308, 69488), (344, 62216), (352, 60802), (404, 52976), (448, 47773), (473, 45248), (602, 35552), (616, 34744), (688, 31108), (704, 30401), (707, 30272), (808, 26488), (946, 22624), (1111, 19264), (1204, 17776), (1232, 17372), (1376, 15554), (1414, 15136), (1616, 13244), (1892, 11312), (2222, 9632), (2408, 8888), (2464, 8686), (2752, 7777), (2828, 7568), (3232, 6622), (3311, 6464), (3784, 5656), (4343, 4928), (4444, 4816)]