21758148

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4759}}^1$

素因数の和:4896

約数の個数: 36

約数和(自身を含む): 55444480

約数和(自身を除く): 33686332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4572, 4759, 9518, 14277, 19036, 28554, 42831, 57108, 85662, 171324, 604393, 1208786, 1813179, 2417572, 3626358, 5439537, 7252716, 10879074, 21758148]

約数ペア:

[(1, 21758148), (2, 10879074), (3, 7252716), (4, 5439537), (6, 3626358), (9, 2417572), (12, 1813179), (18, 1208786), (36, 604393), (127, 171324), (254, 85662), (381, 57108), (508, 42831), (762, 28554), (1143, 19036), (1524, 14277), (2286, 9518), (4572, 4759)]