21729144

素因数分解:

$2^3\times 3^1\times {\mathrm{905381}}^1$

素因数の和:905390

約数の個数: 16

約数和(自身を含む): 54322920

約数和(自身を除く): 32593776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 905381, 1810762, 2716143, 3621524, 5432286, 7243048, 10864572, 21729144]

約数ペア:

[(1, 21729144), (2, 10864572), (3, 7243048), (4, 5432286), (6, 3621524), (8, 2716143), (12, 1810762), (24, 905381)]