21260487

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{16217}}^1$

素因数の和:16262

約数の個数: 16

約数和(自身を含む): 31138560

約数和(自身を除く): 9878073

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 16217, 48651, 308123, 372991, 924369, 1118973, 7086829, 21260487]

約数ペア:

[(1, 21260487), (3, 7086829), (19, 1118973), (23, 924369), (57, 372991), (69, 308123), (437, 48651), (1311, 16217)]