21093576

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 64696320

約数和(自身を除く): 43602744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 53, 56, 69, 84, 92, 103, 106, 138, 159, 161, 168, 184, 206, 212, 276, 309, 318, 322, 371, 412, 424, 483, 552, 618, 636, 644, 721, 742, 824, 966, 1113, 1219, 1236, 1272, 1288, 1442, 1484, 1932, 2163, 2226, 2369, 2438, 2472, 2884, 2968, 3657, 3864, 4326, 4452, 4738, 4876, 5459, 5768, 7107, 7314, 8533, 8652, 8904, 9476, 9752, 10918, 14214, 14628, 16377, 16583, 17066, 17304, 18952, 21836, 25599, 28428, 29256, 32754, 33166, 34132, 38213, 43672, 49749, 51198, 56856, 65508, 66332, 68264, 76426, 99498, 102396, 114639, 125557, 131016, 132664, 152852, 198996, 204792, 229278, 251114, 305704, 376671, 397992, 458556, 502228, 753342, 878899, 917112, 1004456, 1506684, 1757798, 2636697, 3013368, 3515596, 5273394, 7031192, 10546788, 21093576]

約数ペア:

[(1, 21093576), (2, 10546788), (3, 7031192), (4, 5273394), (6, 3515596), (7, 3013368), (8, 2636697), (12, 1757798), (14, 1506684), (21, 1004456), (23, 917112), (24, 878899), (28, 753342), (42, 502228), (46, 458556), (53, 397992), (56, 376671), (69, 305704), (84, 251114), (92, 229278), (103, 204792), (106, 198996), (138, 152852), (159, 132664), (161, 131016), (168, 125557), (184, 114639), (206, 102396), (212, 99498), (276, 76426), (309, 68264), (318, 66332), (322, 65508), (371, 56856), (412, 51198), (424, 49749), (483, 43672), (552, 38213), (618, 34132), (636, 33166), (644, 32754), (721, 29256), (742, 28428), (824, 25599), (966, 21836), (1113, 18952), (1219, 17304), (1236, 17066), (1272, 16583), (1288, 16377), (1442, 14628), (1484, 14214), (1932, 10918), (2163, 9752), (2226, 9476), (2369, 8904), (2438, 8652), (2472, 8533), (2884, 7314), (2968, 7107), (3657, 5768), (3864, 5459), (4326, 4876), (4452, 4738)]