21040884

素因数分解:

$2^2\times 3^5\times {\mathrm{21647}}^1$

素因数の和:21666

約数の個数: 36

約数和(自身を含む): 55159104

約数和(自身を除く): 34118220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21647, 43294, 64941, 86588, 129882, 194823, 259764, 389646, 584469, 779292, 1168938, 1753407, 2337876, 3506814, 5260221, 7013628, 10520442, 21040884]

約数ペア:

[(1, 21040884), (2, 10520442), (3, 7013628), (4, 5260221), (6, 3506814), (9, 2337876), (12, 1753407), (18, 1168938), (27, 779292), (36, 584469), (54, 389646), (81, 259764), (108, 194823), (162, 129882), (243, 86588), (324, 64941), (486, 43294), (972, 21647)]