21242004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{252881}}^1$

素因数の和:252895

約数の個数: 24

約数和(自身を含む): 56645568

約数和(自身を除く): 35403564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 252881, 505762, 758643, 1011524, 1517286, 1770167, 3034572, 3540334, 5310501, 7080668, 10621002, 21242004]

約数ペア:

[(1, 21242004), (2, 10621002), (3, 7080668), (4, 5310501), (6, 3540334), (7, 3034572), (12, 1770167), (14, 1517286), (21, 1011524), (28, 758643), (42, 505762), (84, 252881)]