21184842

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 51093504

約数和(自身を除く): 29908662

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 53, 62, 93, 106, 159, 186, 217, 307, 318, 371, 434, 614, 651, 742, 921, 1113, 1302, 1643, 1842, 2149, 2226, 3286, 4298, 4929, 6447, 9517, 9858, 11501, 12894, 16271, 19034, 23002, 28551, 32542, 34503, 48813, 57102, 66619, 69006, 97626, 113897, 133238, 199857, 227794, 341691, 399714, 504401, 683382, 1008802, 1513203, 3026406, 3530807, 7061614, 10592421, 21184842]

約数ペア:

[(1, 21184842), (2, 10592421), (3, 7061614), (6, 3530807), (7, 3026406), (14, 1513203), (21, 1008802), (31, 683382), (42, 504401), (53, 399714), (62, 341691), (93, 227794), (106, 199857), (159, 133238), (186, 113897), (217, 97626), (307, 69006), (318, 66619), (371, 57102), (434, 48813), (614, 34503), (651, 32542), (742, 28551), (921, 23002), (1113, 19034), (1302, 16271), (1643, 12894), (1842, 11501), (2149, 9858), (2226, 9517), (3286, 6447), (4298, 4929)]