21230658

素因数分解:

$2^1\times 3^2\times {\mathrm{647}}^1\times {\mathrm{1823}}^1$

素因数の和:2478

約数の個数: 24

約数和(自身を含む): 46096128

約数和(自身を除く): 24865470

約数列:

[1, 2, 3, 6, 9, 18, 647, 1294, 1823, 1941, 3646, 3882, 5469, 5823, 10938, 11646, 16407, 32814, 1179481, 2358962, 3538443, 7076886, 10615329, 21230658]

約数ペア:

[(1, 21230658), (2, 10615329), (3, 7076886), (6, 3538443), (9, 2358962), (18, 1179481), (647, 32814), (1294, 16407), (1823, 11646), (1941, 10938), (3646, 5823), (3882, 5469)]