21834736

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 54282240

約数和(自身を除く): 32447504

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 37, 44, 56, 74, 77, 88, 112, 148, 154, 176, 259, 296, 308, 407, 479, 518, 592, 616, 814, 958, 1036, 1232, 1628, 1916, 2072, 2849, 3256, 3353, 3832, 4144, 5269, 5698, 6512, 6706, 7664, 10538, 11396, 13412, 17723, 21076, 22792, 26824, 35446, 36883, 42152, 45584, 53648, 70892, 73766, 84304, 124061, 141784, 147532, 194953, 248122, 283568, 295064, 389906, 496244, 590128, 779812, 992488, 1364671, 1559624, 1984976, 2729342, 3119248, 5458684, 10917368, 21834736]

約数ペア:

[(1, 21834736), (2, 10917368), (4, 5458684), (7, 3119248), (8, 2729342), (11, 1984976), (14, 1559624), (16, 1364671), (22, 992488), (28, 779812), (37, 590128), (44, 496244), (56, 389906), (74, 295064), (77, 283568), (88, 248122), (112, 194953), (148, 147532), (154, 141784), (176, 124061), (259, 84304), (296, 73766), (308, 70892), (407, 53648), (479, 45584), (518, 42152), (592, 36883), (616, 35446), (814, 26824), (958, 22792), (1036, 21076), (1232, 17723), (1628, 13412), (1916, 11396), (2072, 10538), (2849, 7664), (3256, 6706), (3353, 6512), (3832, 5698), (4144, 5269)]