21194823

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28603}}^1$

素因数の和:28638

約数の個数: 16

約数和(自身を含む): 32036480

約数和(自身を除く): 10841657

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 28603, 85809, 371839, 543457, 1115517, 1630371, 7064941, 21194823]

約数ペア:

[(1, 21194823), (3, 7064941), (13, 1630371), (19, 1115517), (39, 543457), (57, 371839), (247, 85809), (741, 28603)]