21240996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{252869}}^1$

素因数の和:252883

約数の個数: 24

約数和(自身を含む): 56642880

約数和(自身を除く): 35401884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 252869, 505738, 758607, 1011476, 1517214, 1770083, 3034428, 3540166, 5310249, 7080332, 10620498, 21240996]

約数ペア:

[(1, 21240996), (2, 10620498), (3, 7080332), (4, 5310249), (6, 3540166), (7, 3034428), (12, 1770083), (14, 1517214), (21, 1011476), (28, 758607), (42, 505738), (84, 252869)]