21811062

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{929}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 54996480

約数和(自身を除く): 33185418

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 43, 78, 86, 91, 129, 182, 258, 273, 301, 546, 559, 602, 903, 929, 1118, 1677, 1806, 1858, 2787, 3354, 3913, 5574, 6503, 7826, 11739, 12077, 13006, 19509, 23478, 24154, 36231, 39018, 39947, 72462, 79894, 84539, 119841, 169078, 239682, 253617, 279629, 507234, 519311, 559258, 838887, 1038622, 1557933, 1677774, 3115866, 3635177, 7270354, 10905531, 21811062]

約数ペア:

[(1, 21811062), (2, 10905531), (3, 7270354), (6, 3635177), (7, 3115866), (13, 1677774), (14, 1557933), (21, 1038622), (26, 838887), (39, 559258), (42, 519311), (43, 507234), (78, 279629), (86, 253617), (91, 239682), (129, 169078), (182, 119841), (258, 84539), (273, 79894), (301, 72462), (546, 39947), (559, 39018), (602, 36231), (903, 24154), (929, 23478), (1118, 19509), (1677, 13006), (1806, 12077), (1858, 11739), (2787, 7826), (3354, 6503), (3913, 5574)]