21799581

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{487}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 29889024

約数和(自身を除く): 8089443

約数列:

[1, 3, 43, 129, 347, 487, 1041, 1461, 14921, 20941, 44763, 62823, 168989, 506967, 7266527, 21799581]

約数ペア:

[(1, 21799581), (3, 7266527), (43, 506967), (129, 168989), (347, 62823), (487, 44763), (1041, 20941), (1461, 14921)]