21787137028

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{4969}}^1\times {\mathrm{10853}}^1$

素因数の和:15927

約数の個数: 24

約数和(自身を含む): 38516287320

約数和(自身を除く): 16729150292

約数列:

[1, 2, 4, 101, 202, 404, 4969, 9938, 10853, 19876, 21706, 43412, 501869, 1003738, 1096153, 2007476, 2192306, 4384612, 53928557, 107857114, 215714228, 5446784257, 10893568514, 21787137028]

約数ペア:

[(1, 21787137028), (2, 10893568514), (4, 5446784257), (101, 215714228), (202, 107857114), (404, 53928557), (4969, 4384612), (9938, 2192306), (10853, 2007476), (19876, 1096153), (21706, 1003738), (43412, 501869)]