21978252

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{11519}}^1$

素因数の和:11582

約数の個数: 36

約数和(自身を含む): 56609280

約数和(自身を除く): 34631028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 11519, 23038, 34557, 46076, 69114, 103671, 138228, 207342, 414684, 610507, 1221014, 1831521, 2442028, 3663042, 5494563, 7326084, 10989126, 21978252]

約数ペア:

[(1, 21978252), (2, 10989126), (3, 7326084), (4, 5494563), (6, 3663042), (9, 2442028), (12, 1831521), (18, 1221014), (36, 610507), (53, 414684), (106, 207342), (159, 138228), (212, 103671), (318, 69114), (477, 46076), (636, 34557), (954, 23038), (1908, 11519)]