21383244

素因数分解:

$2^2\times 3^3\times {\mathrm{127}}^1\times {\mathrm{1559}}^1$

素因数の和:1699

約数の個数: 48

約数和(自身を含む): 55910400

約数和(自身を除く): 34527156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 127, 254, 381, 508, 762, 1143, 1524, 1559, 2286, 3118, 3429, 4572, 4677, 6236, 6858, 9354, 13716, 14031, 18708, 28062, 42093, 56124, 84186, 168372, 197993, 395986, 593979, 791972, 1187958, 1781937, 2375916, 3563874, 5345811, 7127748, 10691622, 21383244]

約数ペア:

[(1, 21383244), (2, 10691622), (3, 7127748), (4, 5345811), (6, 3563874), (9, 2375916), (12, 1781937), (18, 1187958), (27, 791972), (36, 593979), (54, 395986), (108, 197993), (127, 168372), (254, 84186), (381, 56124), (508, 42093), (762, 28062), (1143, 18708), (1524, 14031), (1559, 13716), (2286, 9354), (3118, 6858), (3429, 6236), (4572, 4677)]