21486696

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{151}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 69138720

約数和(自身を除く): 47652024

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 49, 56, 66, 77, 84, 88, 98, 121, 132, 147, 151, 154, 168, 196, 231, 242, 264, 294, 302, 308, 363, 392, 453, 462, 484, 539, 588, 604, 616, 726, 847, 906, 924, 968, 1057, 1078, 1176, 1208, 1452, 1617, 1661, 1694, 1812, 1848, 2114, 2156, 2541, 2904, 3171, 3234, 3322, 3388, 3624, 4228, 4312, 4983, 5082, 5929, 6342, 6468, 6644, 6776, 7399, 8456, 9966, 10164, 11627, 11858, 12684, 12936, 13288, 14798, 17787, 18271, 19932, 20328, 22197, 23254, 23716, 25368, 29596, 34881, 35574, 36542, 39864, 44394, 46508, 47432, 54813, 59192, 69762, 71148, 73084, 81389, 88788, 93016, 109626, 127897, 139524, 142296, 146168, 162778, 177576, 219252, 244167, 255794, 279048, 325556, 383691, 438504, 488334, 511588, 651112, 767382, 895279, 976668, 1023176, 1534764, 1790558, 1953336, 2685837, 3069528, 3581116, 5371674, 7162232, 10743348, 21486696]

約数ペア:

[(1, 21486696), (2, 10743348), (3, 7162232), (4, 5371674), (6, 3581116), (7, 3069528), (8, 2685837), (11, 1953336), (12, 1790558), (14, 1534764), (21, 1023176), (22, 976668), (24, 895279), (28, 767382), (33, 651112), (42, 511588), (44, 488334), (49, 438504), (56, 383691), (66, 325556), (77, 279048), (84, 255794), (88, 244167), (98, 219252), (121, 177576), (132, 162778), (147, 146168), (151, 142296), (154, 139524), (168, 127897), (196, 109626), (231, 93016), (242, 88788), (264, 81389), (294, 73084), (302, 71148), (308, 69762), (363, 59192), (392, 54813), (453, 47432), (462, 46508), (484, 44394), (539, 39864), (588, 36542), (604, 35574), (616, 34881), (726, 29596), (847, 25368), (906, 23716), (924, 23254), (968, 22197), (1057, 20328), (1078, 19932), (1176, 18271), (1208, 17787), (1452, 14798), (1617, 13288), (1661, 12936), (1694, 12684), (1812, 11858), (1848, 11627), (2114, 10164), (2156, 9966), (2541, 8456), (2904, 7399), (3171, 6776), (3234, 6644), (3322, 6468), (3388, 6342), (3624, 5929), (4228, 5082), (4312, 4983)]