21482325

素因数分解:

$3^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:634

約数の個数: 36

約数和(自身を含む): 38726688

約数和(自身を除く): 17244363

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 307, 311, 921, 933, 1535, 1555, 2763, 2799, 4605, 4665, 7675, 7775, 13815, 13995, 23025, 23325, 69075, 69975, 95477, 286431, 477385, 859293, 1432155, 2386925, 4296465, 7160775, 21482325]

約数ペア:

[(1, 21482325), (3, 7160775), (5, 4296465), (9, 2386925), (15, 1432155), (25, 859293), (45, 477385), (75, 286431), (225, 95477), (307, 69975), (311, 69075), (921, 23325), (933, 23025), (1535, 13995), (1555, 13815), (2763, 7775), (2799, 7675), (4605, 4665)]