21355506

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1523}}^1$

素因数の和:1591

約数の個数: 48

約数和(自身を含む): 49926240

約数和(自身を除く): 28570734

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 41, 57, 82, 114, 123, 171, 246, 342, 369, 738, 779, 1523, 1558, 2337, 3046, 4569, 4674, 7011, 9138, 13707, 14022, 27414, 28937, 57874, 62443, 86811, 124886, 173622, 187329, 260433, 374658, 520866, 561987, 1123974, 1186417, 2372834, 3559251, 7118502, 10677753, 21355506]

約数ペア:

[(1, 21355506), (2, 10677753), (3, 7118502), (6, 3559251), (9, 2372834), (18, 1186417), (19, 1123974), (38, 561987), (41, 520866), (57, 374658), (82, 260433), (114, 187329), (123, 173622), (171, 124886), (246, 86811), (342, 62443), (369, 57874), (738, 28937), (779, 27414), (1523, 14022), (1558, 13707), (2337, 9138), (3046, 7011), (4569, 4674)]