21284004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253381}}^1$

素因数の和:253395

約数の個数: 24

約数和(自身を含む): 56757568

約数和(自身を除く): 35473564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253381, 506762, 760143, 1013524, 1520286, 1773667, 3040572, 3547334, 5321001, 7094668, 10642002, 21284004]

約数ペア:

[(1, 21284004), (2, 10642002), (3, 7094668), (4, 5321001), (6, 3547334), (7, 3040572), (12, 1773667), (14, 1520286), (21, 1013524), (28, 760143), (42, 506762), (84, 253381)]