21540324

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{138079}}^1$

素因数の和:138099

約数の個数: 24

約数和(自身を含む): 54127360

約数和(自身を除く): 32587036

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 138079, 276158, 414237, 552316, 828474, 1656948, 1795027, 3590054, 5385081, 7180108, 10770162, 21540324]

約数ペア:

[(1, 21540324), (2, 10770162), (3, 7180108), (4, 5385081), (6, 3590054), (12, 1795027), (13, 1656948), (26, 828474), (39, 552316), (52, 414237), (78, 276158), (156, 138079)]