21499788

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61781}}^1$

素因数の和:61817

約数の個数: 24

約数和(自身を含む): 51896880

約数和(自身を除く): 30397092

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 61781, 123562, 185343, 247124, 370686, 741372, 1791649, 3583298, 5374947, 7166596, 10749894, 21499788]

約数ペア:

[(1, 21499788), (2, 10749894), (3, 7166596), (4, 5374947), (6, 3583298), (12, 1791649), (29, 741372), (58, 370686), (87, 247124), (116, 185343), (174, 123562), (348, 61781)]