21242019978

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{51309227}}^1$

素因数の和:51309258

約数の個数: 24

約数和(自身を含む): 48025437408

約数和(自身を除く): 26783417430

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 51309227, 102618454, 153927681, 307855362, 461783043, 923566086, 1180112221, 2360224442, 3540336663, 7080673326, 10621009989, 21242019978]

約数ペア:

[(1, 21242019978), (2, 10621009989), (3, 7080673326), (6, 3540336663), (9, 2360224442), (18, 1180112221), (23, 923566086), (46, 461783043), (69, 307855362), (138, 153927681), (207, 102618454), (414, 51309227)]