21830463

素因数分解:

$3^2\times {\mathrm{307}}^1\times {\mathrm{7901}}^1$

素因数の和:8214

約数の個数: 12

約数和(自身を含む): 31639608

約数和(自身を除く): 9809145

約数列:

[1, 3, 9, 307, 921, 2763, 7901, 23703, 71109, 2425607, 7276821, 21830463]

約数ペア:

[(1, 21830463), (3, 7276821), (9, 2425607), (307, 71109), (921, 23703), (2763, 7901)]