21739545

素因数分解:

$3^2\times 5^1\times {\mathrm{587}}^1\times {\mathrm{823}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 37791936

約数和(自身を除く): 16052391

約数列:

[1, 3, 5, 9, 15, 45, 587, 823, 1761, 2469, 2935, 4115, 5283, 7407, 8805, 12345, 26415, 37035, 483101, 1449303, 2415505, 4347909, 7246515, 21739545]

約数ペア:

[(1, 21739545), (3, 7246515), (5, 4347909), (9, 2415505), (15, 1449303), (45, 483101), (587, 37035), (823, 26415), (1761, 12345), (2469, 8805), (2935, 7407), (4115, 5283)]