21063549

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1289}}^1$

素因数の和:1724

約数の個数: 16

約数和(自身を含む): 30340800

約数和(自身を除く): 9277251

約数列:

[1, 3, 13, 39, 419, 1257, 1289, 3867, 5447, 16341, 16757, 50271, 540091, 1620273, 7021183, 21063549]

約数ペア:

[(1, 21063549), (3, 7021183), (13, 1620273), (39, 540091), (419, 50271), (1257, 16757), (1289, 16341), (3867, 5447)]